extensometer Hear it!

extensometer definition

ex·ten·som·eter (eks′ten säm′ət ər)

noun

an instrument for measuring extremely small degrees of expansion, contraction, or deformation, as in a test piece of metal subjected to tension

Etymology: < L extensus (see extensible) + -meter

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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