cavity
cavity definition
cav·ity (kav′i tē)
noun pl. cavities -·ties
- a hole or hollow place
- a natural hollow place within the body the abdominal cavity
- a hollow place in a tooth, esp. when caused by decay
- Electronics a space enclosed by metal and with a rodlike projection in the center, used as a resonator, as with a magnetron to produce electromagnetic waves, esp. microwavesalso called cavity resonator
Etymology: Fr cavité < LL cavitas < L cavus, hollow: see cave
Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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