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sensor definition

sen·sor (sen′sər, -sôr′)

noun

any of various devices designed to detect, measure, or record physical phenomena, as radiation, heat, or blood pressure, and to respond, as by transmitting information, initiating changes, or operating controls

Etymology: < L sensus, pp. of sentire, sense + -or

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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