| A | B |
|---|
| geometry | the mathematical study of the properties, measurement, and relationships of points, lines, planes, surfaces, and angles, and of figures composed of combinations of them |
| perimeter | the sum of the lengths of the sides of a polygon |
| diameter | a straight line that passes through the center of a circle or sphere from a point on one side to a point on the other |
| diagram | a visual display, such as a drawing or sketch, that shows how something works or indicates the relationship between its parts |
| centimeter | a unit of length; 1/100 meter |
| kilogram | a force equal to the weight of one kilogram mass, equal to 2.2046 pounds |
| cyclone | any violent rotating windstorm, such as a tornado |
| thermos | a container having double walls, a reflective coating, and a vacuum-insulated space between the walls, used to keep its contents from gaining or losing heat |
| physician | a person licensed to practice medicine; a doctor |
| encyclopedia | a book or set of books containing articles arranged in alphabetical order and covering one particular field or a wide variety of subjects |
| thermometer | an instrument that measures and indicates temperature, especially one that consists of a glass tube in which a liquid expands or contracts to reach a level that depends on the temperature |
| physics | the science of matter and energy and relations between them |
| telegram | a message or communication sent by telegraph |
| grammatical | conforming to the rules of grammar |
| barometer | an instrument that measures and indicates atmospheric pressure and is widely used in the study and forecasting of weather |
| thermostat | a device that automatically controls a piece of heating or cooling equipment in such a way as to keep the temperature nearly constant |
| physique | the body, considered in terms of its proportions, muscle development, and proportions |
| motorcycle | a vehicle with two wheels, similar to a bicycle but larger and heavier, propelled by an internal-combustion engine |
| thermal | of, using, producing, or caused by heat |
| cyclical | of or occurring in cycles |
