| A | B |
| Absolute Coordinates | The exact location of a specific point in terms of X |
| Accuracy | 1. The condition or quality of being true |
| Accurate | Correct in all details. |
| Acute Triangle | A triangle that contains only angles that are less than 90 degrees. |
| Adhesive | Any synthetic product that is used to join materials together. |
| Adhesive Bonding | 1. A plastic joining technique in which a third substance bonds a plastic to another plastic or material such as metal |
| Advertise | To present or describe a product |
| Aesthetic | 1. Concerned with beauty or the appreciation of beauty. 2. Of pleasing appearance. |
| Aligned Dimension | A system of dimensioning which requires all numerals |
| American National Standards Institute (ANSI) | 1. A private |
| American Society of Mechanical Engineers (ASME) | 1. A professional engineering organization that is known for setting codes and standards for mechanical devices in the United States. ASME drawing standards are found in the Y-14M publications. 2. The acronym for the American Society of Mechanical Engineers. |
| Analysis | A detailed examination of the elements or structure of something. |
| Angle | The amount of rotation needed to bring one line or plane into coincidence with another |
| Annotate | To add explanatory notes to. |
| Appendix | A section of additional information at the end of a document. |
| Arbitration | The hearing and determination of a dispute or the settling of differences between parties by a person or persons chosen or agreed to by them. |
| Area | The extent or measurement of a surface. |
| Arrowheads | Arrowheads are used to indicate the end of a dimension line or leader. |
| Articulate | To clearly express an idea or feeling. |
| Assembly | A group of machine or handmade parts that fit together to form a self-contained unit. |
| Assembly Drawing | A drawing that shows the various parts of an item when assembled. |
| Assessment | An evaluation technique for technology that requires analyzing benefits and risks |
| Asymmetry | Symmetry in which both halves of a composition are not identical. Also referred to as informal balance. |
| Audience | The assembled spectators or listeners at an event. |
| Attorney General | The principal legal officer of the Crown or a state. |
| Audience Analysis | The understanding of the consumer group for which the design is targeted. This would include the audiences |
| Auxiliary View | An orthographic view of an object using a direction of sight other than one of the six basic views (front |
| Axis | 1. An imaginary line through a body |
| Balance | A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry |
| Balloons | A circled number identifying each part shown in an assembly drawing. Also called a ball tag or bubble number. |
| Baseline Dimensioning | System of dimensioning in which all dimensions are placed from a datum and not from feature to feature. Also referred to as Datum Dimensioning. |
| Bias | Inclination or prejudice in favor of a particular person |
| Bilateral Tolerance | A tolerance in which variation is permitted in both directions from the specified dimension. |
| Black Box Model | A graphic systems illustration referred to as a Black Box because the internal components or process is deemed unknown |
| Blind Hole | A hole that does not go completely through the workpiece. |
| Body Language | The conscious and unconscious bodily movements by which feelings are communicated. |
| Brainstorm | A spontaneous group discussion to produce ideas. |
| Brainstorming | A group technique for solving problems |
| Break Line | A line used to interrupt a drawing if an object will not fit on a drawing sheet. |
| Brevity | 1. Concise and exact use of words. 2. Shortness of time. |
| Broken-Out Section | A section of an object broken away to reveal an interior feature for a sectional drawing. |
| By-product | Something produced in the making of something else; a secondary result; a side effect. |
| Cabinet Oblique Drawing | A form of oblique drawing in which the receding lines are drawn at half scale |
| Cabinet Oblique Sketch | A form of oblique sketch in which the receding lines are drawn at half scale |
| Caliper | A measuring instrument having two usually adjustable jaws used especially to measure diameter or thickness. |
| Carcinogen | A substance capable of causing cancer. |
| Cartesian Coordinate System | A rectangular coordinate system created by three mutually perpendicular coordinate axes |
| Cavalier Oblique Drawing | A form of oblique drawing in which the receding lines are drawn true size |
| Cavalier Oblique Sketch | A form of oblique sketch in which the receding lines are drawn true size |
| Centerline | A line type that is used to indicate the axis of symmetry for a part or feature |
| Chain Dimensioning | Also known as point-to-point dimensioning where dimensions are established from one point to the next. |
| Chamfer | A small angled surface formed between two surfaces. |
| Circle | The set of all points in a plane at a given distance from a given point in the plane. |
| Circumscribe | 1. A triangle located round a polygon such as a circle. 2 To draw a figure around another |
| Clarity | The state or quality of being clear and easily perceived or understood. |
| Class Interval | A group of values that is used to analyze the distribution of data. |
| Clearance Fit | The total gap between two mating parts |
| Client | A person using the services of a professional person or organization. |
| Color | The property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light. |
| Competitor | One who competes or is a rival of another business enterprise. |
| Component | A part or element of a larger whole. |
| Compound Machine | A mechanism that consists of two or more simple machines. |
| Compression | A force that pushes on or squeezes a material. |
| Computer-Aided Design or Computer-Aided Drafting (CAD) | 1. For design |
| Consensus | General agreement. |
| Constraint | 1. A limit to a design process. Constraints may be such things as appearance |
| Construction Line | Thin lines that serve as guides while sketching or drawing. |
| Contrast | 1. The state of being noticeably different from something else when put or considered together. 2. Enhancement of appearance provided by juxtaposing different colors or textures. |
| Convert | To change money |
| Counterbore | A cylindrical recess around a hole |
| Countersink | A conical-shaped recess around a hole |
| Credible | Able to be believed; convincing. |
| Criteria | Principles or standards by which something may be judged or decided. |
| Critique | A detailed analysis and assessment. |
| Cube | A regular solid having six congruent square faces. |
| Cutting Plane Line | A line drawn on a view where a cut was made in order to define the location of the imaginary section plane. |
| Cylinder | A solid composed of two congruent circles in parallel planes |
| Data | Facts and statistics used for reference or analysis. |
| Data Element | An individual value or bit of information. |
| Data Set | A group of individual values or bits of information that are related in some way or have some common characteristic or attribute. |
| Datum | A theoretically exact point |
| Datum Dimension | A dimensioning system where each dimension originates from a common surface |
| Decision Matrix | A tool for systematically ranking alternatives according to a set of criteria. |
| Degree | A unit of measurement of angles |
| Degree of Freedom | The variables by which an object can move. In assemblies |
| Demographics | The statistical data of a population |
| Depth | The distance from front to back. |
| Descriptive Abstract | A written summary that provides an overview of the purpose and contents of a report |
| Design | 1. An iterative decision-making process that produces plans by which resources are converted into products or systems that meet human needs and wants or solve problems. 2. A plan or drawing produced to show the look and function or workings of something before it is built or made. 3. A decorative pattern. |
| Design Brief | A written plan that identifies a problem to be solved |
| Design Process | A systematic problem-solving strategy |
| Design Statement | A part of design brief that challenges the designer |
| Designer | A person who designs any of a variety of things. This usually implies the task of creating drawings or in some ways uses visual cues to organize his or her work. |
| Detail Drawing | A dimensioned |
| Diameter | A straight line passing from side to side through the center of a circle or sphere. |
| Dimension | A measurable extent |
| Dimension Lines | Lines that are thin lines capped with arrowheads |
| Documentation | 1. The documents that are required for something |
| Dual Dimensions | Where alternate units are displayed within the same dimension (both metric and standard dimensions can shown at the same time). |
| Ecosystem | A biological community of interacting organisms and their physical environment. |
| Edge | 1. The outside limit of an object |
| Effort | The force of energy that is applied to a machine for the accomplishment of useful work. |
| Element | A basic constituent part. |
| Ellipse | A regular oval shape |
| Emphasis | Special importance |
| Engineer | A person who is trained in and uses technological and scientific knowledge to solve practical problems. |
| Engineers Notebook | Also referred to as an Engineers Logbook |
| English System | Also referred to as the U.S. Customary system. The measuring system based on the foot |
| Environmental Protection Agency (EPA) | EPA is the acronym for the Environmental Protection Agency. |
| Ergonomics | The study of workplace equipment design or how to arrange and design devices |
| Ethical | Conforming to an established set of principles or accepted professional standards of contact. |
| Ethics | The moral principles governing or influencing conduct. |
| Evaluate | To form an idea of the amount or value of; assess. |
| Evolution | A gradual development. |
| Executive Summary | A persuasive summary that provides an overview of the purpose and contents of a report |
| Exploded Assembly | An assembly drawing in which parts are moved out of position along an axis so that each individual part is visible. |
| Extension | 1. The property of an object by which it occupies space. 2. A set that includes a given and similar set as a subset. |
| Extension Lines | Thin lines used to establish the extent of a dimension. Extension lines begin with a short space from the object and extend to about .125 inches past the last dimension line. Extension lines may cross object lines |
| Extrusion | 1. A manufacturing process that forces material through a shaped opening. 2. A modeling process that creates a three-dimensional form by defining a closed two-dimensional shape and a length. |
| Fastener | A hardware device that mechanically joins or affixes two or more objects together. |
| Fillet | A rounded interior blend between two surfaces. Some uses are to strengthen joining surfaces or to allow a part to be removed from a mold. |
| Finite Element Analysis (FEA) | A computerized numerical analysis technique used for solving differential equations to primarily solve mechanical engineering problems relating to stress analysis. |
| Fluid Power | Energy transmitted and controlled by means of a pressurized fluid |
| Foot | A unit of linear measure equal to 12 inches or 30.48 cm. |
| Foreshorten | To show lines or objects shorter than their true size. Foreshortened lines are not perpendicular to the line of sight. |
| Form | 1. Having the three dimensions of length |
| Formula | A mathematical relationship or rule expressed in symbols. |
| Freehand | Done manually without the aid of instruments such as rulers. |
| Frequency | The rate at which something occurs over a particular period or in a given sample. |
| Fulcrum | The point around which a lever turns or is supported. |
| Full Section | A sectional drawing based on a cutting plane line that extends completely through an object. |
| Function | The kind of action or activity proper to a person |
| GANTT Chart | A time and activity bar chart that is used for planning |
| General Notes | Notes placed separate from the views; relate to the entire drawing. |
| Geometric Constraint | Constant |
| Gestalt | The principle that maintains that the human eye sees objects in their entirety before perceiving their individual parts. |
| Graph | A diagram showing the relation between variable quantities |
| Graphic Design | The art of combining text and pictures in advertisements |
| Grid | A network of lines that cross each other to form a series of squares or rectangles. |
| Half Section | A sectional drawing based on a cutting plane line that cuts through one-quarter of an object. A half section reveals half of the interior and half of the exterior. |
| Harmony | 1. The quality of forming a pleasing and consistent whole. 2. Agreement or concord. |
| Hazard | A danger or risk. |
| Height | The measurement of someone or something from head to foot or from base to top. |
| Hidden Line | A line type that represents an edge that is not directly visible |
| Histogram | A graph of vertical bars representing the frequency distribution of a set of data. |
| Hydraulics | A type of fluid power that uses pressurized liquid |
| Hypothesis | 1. An assumption made on the basis of limited evidence as a starting point for further investigation. 2. A proposed explanation for an observation. Hypothesis is an educated guess which forms a basis for a test. |
| Illustrate | 1. To provide a book or periodical with pictures. 2. To make clear by using examples |
| Impact | The effect or influence of one thing on another. Some impacts are anticipated |
| Inch | A unit of linear measure equal to one twelfth of a foot or 2.54 cm. |
| Inclined Plane | A flat surface set at an angle used to help raise or lower objects. |
| Innovation | An improvement of an existing technological product |
| Input | Something put into a system |
| Inscribe | To draw a figure within another so that their boundaries touch but do not intersect. |
| International Organization for Standardization (ISO) | A non-governmental global organization whose principal activity is the development of technical standards through consensus. |
| Interference | The amount of overlap that one part has with another when assembled. |
| Intonation | The rise and fall of the voice in speaking. |
| Invention | A new product |
| Isometric Drawing | A form of pictorial drawing in which all three drawing axes form equal angles of 120 degrees with the plane of projection. |
| Isometric Sketch | A form of pictorial sketch in which all three drawing axes form equal angles of 120 degrees with the plane of projection. |
| Iterative | Describing a procedure or process that repeatedly executes a series of operations until some condition is satisfied. An iterative procedure may be implemented by a loop in a routine. |
| Joinery | The process of connecting or joining two pieces of wood together through the use of various forms of wood joints. In fine woodworking |
| Juxtapose | To place close together. |
| Key | A rectangular or semicircular shape used to prevent parts |
| Keyseat | A slot in a shaft to receive a key. |
| Keyway | A slot in a hub or material around a shaft that receives a key. |
| Landfill | A low area of land that is built up from deposits of solid refuse in layers covered by soil. |
| Leaders | Lines that are thin and used to connect a specific note to a feature. |
| Least Material Condition (LMC) | The smallest size limit of an external feature and the largest size limit of an internal feature. |
| Legible | How recognizable a short amount of text is. |
| Lever | A rigid bar resting on a pivot point or fulcrum |
| Lid | The upper and covering portion of a paper box. |
| Limits of Dimension | The largest and smallest possible boundaries to which a feature may be made as related to the tolerance of the dimension. |
| Line | 1. A long thin mark on a surface. 2. A continuous extent of length |
| Line Conventions | Standardization of lines used on technical drawings by line weight and style. |
| Line Weight | Also called line width. The thickness of a line |
| Load | Anything put in or on something for conveyance or transportation. |
| Local Notes | Connected to specific features on the views of the drawing. Also known as annotations. |
| Location Dimension | A location dimension that defines the relationship of features of an object. |
| Logo | An emblematic design adopted by an organization to identify its products. |
| Manufacture | To make something |
| Manufacturers Joint | The seam of a carton where the two edges of the box blank are joined together by stitching |
| Manufacturing Process | The transformation of raw material into finished goods through one or more of the following: Casting and Molding |
| Market Research | The activity of gathering information about consumers needs and preferences. |
| Marketing | The promotion and selling of products or services. |
| Mass | The amount of matter an object contains. |
| Maximum Material Condition (MMC) | The largest size limit of an external feature and the smallest size limit of an internal feature. |
| Mean | The average or central value of a set of quantities. |
| Measure | To determine the size |
| Measurement | The process of using dimensions |
| Mechanical Fastener | A hardware device |
| Mechanism | An assembly of moving parts completing a complete functional motion. |
| Median | Referring to the middle term or mean of the middle two terms of a series of values arranged in order of magnitude. |
| Mediation | The act or process of using an intermediary to effect an agreement or reconciliation. |
| Message Analysis | The process of deciding what information needs to go into the graphic design |
| Meter | The fundamental unit of length in the metric system |
| Metric System | The decimal measuring system based on the meter |
| Millimeter | A metric unit of linear measure equal to 1/1000 of a meter. |
| Mock-up | Also referred to as an Appearance Model. A model or replica of a machine or structure for instructional or experimental purposes. |
| Mode | The value that occurs most frequently in a given data set. |
| Model | A visual |
| Multiview Drawings | Views of an object projected onto two or more orthographic planes. |
| Multiview Sketches | Views of an object projected onto two or more orthographic planes. |
| Negotiation | Mutual discussion and arrangement of the terms of a transaction or agreement. |
| Nominal Size | The designation of the size established for a commercial product. |
| Non-Renewable Resource | A resource or raw material that cannot be grown or replaced once used. |
| Normal Distribution | A function that represents the distribution of variables as a symmetrical bell-shaped graph. |
| Norms | Principles of right action |
| Numeric Constraint | A number value |
| Object Line | A heavy solid line used on a drawing to represent the outline of an object. |
| Oblique Drawing | A type of drawing involving a combination of a flat |
| Oblique Sketch | A type of sketch involving a combination of a flat |
| Observation | The act or instance of noticing or perceiving. |
| Obtuse Triangle | A triangle with one angle that is greater than 90 degrees. |
| Occupation Safety and Health Administration (OSHA | A government organization whose mission is to assure the safety and health of America's workers by setting and enforcing standards; providing training |
| Offset Section | A sectional drawing created by a cutting plane bent at right angles to features as though they were in the same plane. |
| Open-Ended | Not having fixed limits; unrestricted; broad. |
| Origin | A fixed point from which coordinates are measured. |
| Orthographic Projection | A method of representing three-dimensional objects on a plane having only length and breadth. Also referred to as Right Angle Projection. |
| Output | The results of the operation of any system. |
| Packaging | Materials used to wrap or protect goods. |
| Parallelogram | A quadrilateral with opposite sides parallel. |
| Parameter | A quantity which is fixed for the case in question but may vary in other cases. |
| Parametric Modeling | A CAD modeling method that uses parameters to define the size and geometry of features and to create relationships between features. Changing a parameter value updates all related features of the model at once. |
| Part Interaction | A kind of action which occurs as two or more objects have an effect upon one another. |
| Parts List | A list of materials or parts specified for a project. Also referred to as a bill of materials or BOM. |
| Pattern | A repeated decorative design. |
| Perspective Drawing | A form of pictorial drawing in which vanishing points are used to provide the depth and distortion that is seen with the human eye. Perspective drawings can be drawn using one |
| Perspective Sketch | A form of pictorial sketch in which vanishing points are used to provide the depth and distortion that is seen with the human eye. Perspective drawings can be drawn using one |
| Persuasive | 1. Good at persuading someone to do or believe something. 2. Providing sound reasoning or argument. |
| Phantom Line | A line used to show the alternate positions of an object or matching part without interfering with the main drawing. |
| Pictograph | A pictorial symbol for a word or phrase. |
| Pictorial Drawing | A drawing that shows an objects height |
| Pictorial Sketch | A sketch that shows an objects height |
| Plane | A flat surface on which a straight line joining any two points would wholly lie. |
| Pneumatics | A type of fluid power that uses compressed air or other neutral gases. |
| Point | A very small dot or mark on a surface that has position |
| Polar Coordinates | The location of a point as given by an angle and a distance. |
| Pollute | Contaminate with harmful or poisonous substances. |
| Polygon | A closed geometric figure in a plane formed by connecting line segements endpoint to endpoint with each segment intersecting exactly two others. Polygons are classified by the number of sides they have |
| Portfolio | A set of pieces of creative work intended to demonstrate a persons ability. |
| Posture | A particular position of the body. |
| Precise | Exact in measuring |
| Precision | Exact in measuring |
| Principle | The method of formation |
| Prism | A solid geometric figure whose two ends are similar |
| Problem | An unwelcome or harmful matter needing to be dealt with. |
| Problem Identification | The recognition of an unwelcome or harmful matter needing to be dealt with. |
| Problem Statement | A part of design brief that clearly and concisely identifies a clients or target consumers problem |
| Process | 1. Human activities used to create |
| Product | A tangible artifact produced by means of either human or mechanical work |
| Product Lifecycle | Stages a product goes through from concept and use to eventual withdrawal from the market place. |
| Profile | An outline of something as seen from one side. |
| Projection Line | A horizontal or vertical line that can be used to locate entities in an adjacent view. |
| Projection Plane | An imaginary surface on which the view of the object is projected and drawn. This surface is imagined to exist between the object and the observer. |
| Proportion | 1. The relationship of one thing to another in size |
| Protocol | The accepted code of behavior in a particular situation. |
| Prototype | A full-scale working model used to test a design concept by making actual observations and necessary adjustments. |
| Protractor | An instrument for measuring angles |
| Pulley | A grooved wheel around which a rope |
| Purpose | The reason for which something is done or for which something exists. |
| Puzzle | Something |
| Q-A-D | A prewriting tool for students to brainstorm the key components and the details needed for the essay. |
| Quadrilateral | A four-sided polygon. |
| Quality | The degree of excellence of something as measured against other similar things. |
| Radial Symmetry | Symmetry about a central axis. |
| Radius | A straight line from the center to the circumference of a circle or sphere. |
| Range | The measure of variation that is the difference between the highest and lowest scores. |
| Ratio | The quantitative relation between two amounts showing the number of times one value contains or is contained within the other. |
| Raw Material | Any natural resource that is used to make finished products. |
| Readability | How easy an extended amount of text is to read. |
| Rectangle | A parallelogram with 90 degree angles. A square is also a rectangle. |
| Recycle | To reclaim or reuse old materials in order to make new products. |
| Reference Dimension | A dimension |
| Refurbish | To renovate or redecorate. |
| Refuse | Matter thrown away as worthless. |
| Regular Polygon | A polygon with equal angles and equal sides. |
| Relative Coordinates | The location of a point as given by the distance from the last point specified. |
| Removed Section | A sectional view removed from the area of the cutting plane and positioned in another location. |
| Renewable Resource | A resource or raw material that can be grown and replaced. |
| Repeatability | The ability to replicate or duplicate a result. |
| Research | The systematic study of materials and sources in order to establish facts and reach new conclusions. |
| Residue | A small amount of something that remains after the main part has gone or been taken or used. |
| Reverse Engineering | The process of taking something apart and analyzing its workings in detail |
| Revision Block | A brief listing of revisions made to a drawing since it was initially released to manufacture. |
| Revolution | Creating a 3D solid or surface by revolving a 2D shape about an axis. |
| Revolved Section | A sectional view that is revolved 90 degrees and perpendicular with the plane of projection. |
| Rhythm | A regularly recurring sequence of events or actions. |
| Rib | A relatively thin flat member acting as a brace support. Also called a web. |
| Right Triangle | A triangle that has a 90 degree angle. |
| Rotation | Turning around an axis or center point. |
| Round | A rounded exterior blend between two surfaces. |
| Scale | 1. A straight-edged strip of rigid material marked at regular intervals and used to measure distances. 2. A proportion between two sets of dimensions used in developing accurate |
| Scale Model | An enlarged or reduced representation of an object that is usually intended for study purposes. |
| Scoring | Making an impression or crease in a box blank to facilitate bending |
| Screw | An inclined plane wrapped around a cylinder |
| Section Lines | Lines that are used to represent the material through which a cut is made in order to show an interior sectional view. |
| Sectional View | A drawing that shows the interior of an object as it would appear if cut in half or quartered. |
| Sequential | Forming or following a logical order or sequence. |
| Shading | The representation of light and shade on a drawing or map. |
| Shape | The two-dimensional contour that characterizes an object or area |
| Simple Machine | Any of several elementary mechanisms that are used to transmit or modify force or motion. Simple machines include the lever |
| Size | How large or small a person or thing is. |
| Size Dimensions | Placed directly on a feature to identify a specific size or may be connected to a feature in the form of a note. |
| Sketch | A rough drawing representing the main features of an object or scene and often made as a preliminary study. |
| Snap-Fit | A molded-in piece in a plastic assembly that is designed to form a mechanical joint system where part-to-part attachment is accomplished with locating and locking features to connect components together. |
| Solid | A three-dimensional body or geometric figure. |
| Solid Modeling | A type of 3D CAD modeling that represents the volume of an object |
| Solution | 1. A method or process for solving a problem. 2. The answer to or disposition of a problem. |
| Space | 1. The dimensions of height |
| Spotface | A shallow recess like a counterbore |
| Square | A regular polygon with four equal sides and four 90 degree angles. |
| Standard | Something considered by an authority or by general consent as a basis of comparison. |
| Statistics | Collection of methods for planning experiments |
| Storming | A phase of team development that is marked by conflict. |
| Stress | The pressure or tension exerted on a material object. |
| Subassembly | An assembled part that is a part of a larger assembly. |
| Surface Area | 1. The sum of all the areas of all the faces or surfaces that enclose a solid. 2. The sum of all the areas of all surfaces of a solid. |
| Surface Finish | The waviness |
| Survey | An investigation of the opinions or experience of a group of people |
| Symbol | A thing that represents or stands for something else |
| Symbolism | 1. The use of symbols to represent ideas or qualities. 2. The symbolic meaning attached to material objects. |
| Symmetry | The correspondence in size |
| Synergy | When the unit or team becomes stronger than the sum of the individual members. |
| System | A group of interacting |
| Tap | To cut internal threads. |
| Taper | Gradual diminution of width or thickness in an elongated object. |
| Target Consumer | A person or group for which product or service design efforts are intended. |
| Team | A collection of individuals |
| Teardown | The process of taking apart a product to better understand it. |
| Technical Report | A document that conveys the results of scientific and technical research |
| Technical Working Drawing | A drawing that is used to show the material |
| Tension | A force that pulls on a material. |
| Texture | The feel |
| Three-Dimensional | Having the dimensions of height |
| Time Line Chart | A one-axis chart used to display past and/or future events |
| Title Block | A table located in the bottom right-hand corner of an engineering drawing that identifies |
| Tolerance | The total permissible variation in a size or location dimension. |
| Tone | The general effect of color or of light and shade in a picture. |
| Torsion | The twisting of a material. |
| Toxin | A poison produced by a micro-organism or other organism and acting as an antigen in the body. |
| Trade-off | An exchange of one thing in return for another: especially relinquishment of one benefit or advantage for another regarded as more desirable. |
| Transition Fit | have limits of size indicating that either a clearance or an interference may result when mating parts are assembled. |
| Translation | Motion in which all particles of a body move with the same velocity along parallel paths. |
| Triangle | A polygon with three sides. |
| Tuck | The end portion of the top or bottom flap of a folding carton |
| Two-Dimensional | Having the dimensions of height and width |
| Type | Printed characters or letters. |
| Typography | The style and appearance of printed matter. |
| Unidirectional Dimension | A dimensioning system which requires all numerals |
| Unilateral Tolerance | A tolerance in which variation is permitted in only one direction from the specified dimension. |
| Unit | A standard quantity in terms of which other quantities may be expressed. |
| Unity | The state of being united or forming a whole. |
| Value | The lightness or darkness of a color in relation to a scale ranging from white to black. |
| Vanishing Point | A vanishing point is a point in space |
| Variation | A change or slight difference in condition |
| Variety | A thing which differs in some way from others of the same general class. |
| Vertex | Each angular point of a polygon |
| Views | Views is shorthand for multiview projection |
| Virtual Team | A group of people that rely primarily or exclusively on electronic forms of communication to work together in accomplishing goals. |
| Visualize | To form a mental image of; imagine. |
| Volume | The amount of space occupied by a substance or object or enclosed within a container. |
| Waste | Material which is eliminated or discarded as no longer useful or required. |
| Wedge | A piece of wood |
| Wheel and Axle | A lever that rotates in a circle around a center point or fulcrum to lift or move an object. |
| Width | The measurement or extent of something from side to side. |
| Working Drawings | Drawings that convey all of the information needed to manufacture and assemble a design. |
| Working Sketches | Sketches that convey all of the information needed to manufacture and assemble a design. |
| Zoning | A system of numbers along the top and bottom margins |