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vocabulary lesson 29
objects and instruments
Term | Definition |
---|---|
aperture | an adjustable opening on an object that allows light to enter |
aperture | an opening; hole |
apparatus | equipment used for a particular task |
catalog | a systematic list of items |
catalog | to make a systematic list of items |
centrifuge | a machine that spins very fast that separates substances |
component | a part of a larger whole |
guage | a tool used to measure or test |
guage | to measure |
generator | a machine that produces electrical energy from mechanical energy |
laser | an electronic device that puts out a narrow/intense beam of light |
mechanism | the working parts of a machine |
prism | a piece of cut glass that bends and separates light into its component colors |