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extensometer

[ ek-sten-som-i-ter ]

noun

  1. an instrument for measuring minute degrees of expansion, contraction, or deformation.


extensometer

/ ˌɛkstɛnˈsɪmɪtə; ˌɛkstɛnˈsɒmɪtə /

noun

  1. an apparatus for studying small changes of length, as in the thermal expansion or mechanical compression of a solid
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of extensometer1

First recorded in 1885–90; extens(ion) + -o- + -meter
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Example Sentences

The deep well drilled for the extensometer can also be used to study the aquifer’s water chemistry.

Eggleston and Pope discovered the Hampton Roads sanitation district would be willing to pay $1.3 million for a new extensometer.

Cornu and A. Mallock, or directly by a modification of the extensometer method, as has been done recently by J. Morrow.

From measurements of displacement by an extensometer we may deduce the average extension of a filament of the bar terminated by the two scratches.

However, if the load had been excessive, and then relieved, the extensometer would no longer read exactly 2.0 in., but something more.

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