| A | B |
|---|
| altimeter | an instrument that measures altitude, or height above a certain point |
| barometer | an instrument useful for predicting weather, that measures atmospheric pressure |
| diameter | a line through the exact center of a figure, usually a circle or sphere |
| geometry | the branch of mathematics dealing with points, lines, angles, and shapes |
| kilometer | a unit of length equal to 1,000 meters, or about 0.62 miles |
| metric | referring to the international metric system of measurement |
| metronome | an instrument that marks time, with ticks or flashes at regular adjustable intervals |
| micrometer | an instrument that measures very small distances, objects, or angles |
| odometer | an instrument that indicates distance traveled by a vehicle |
| perimeter | the outer boundary of a shape or an object, or the distance around that boundry |
| dismiss | to send away or allow to leave |
| emissary | a person sent to another country or place on official business; representative |
| emit | to send out energy or matter |
| intermittent | stopping and starting; not continuous; periodic |
| missle | an object or a weapon sent to a target |
| misson | a special duty or assignment given to a person or group |
| missive | a letter or written communication |
| omit | to leave out; to pass over or not include |
| submit | to present a plan or proposal for approval |
| transmit | to send from one person, place, or thing to another |
