from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small crystal of quartz accurately cut along certain axes so that it can be vibrated at a particular frequency, used for its piezoelectric properties to produce an electric signal of constant known frequency.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators
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