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2017 Word of the Year

photoelasticity

[foh-toh-i-la-stis-i-tee, -ee-la-stis-] /ˌfoʊ toʊ ɪ læˈstɪs ɪ ti, -ˌi læˈstɪs-/
noun, Physics.
1.
the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
Origin of photoelasticity
1910-1915
First recorded in 1910-15; photo- + elasticity
Related forms
photoelastic
[foh-toh-i-las-tik] /ˌfoʊ toʊ ɪˈlæs tɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for photoelasticity

photoelasticity

/ˌfəʊtəʊɪlæˈstɪsɪtɪ/
noun
1.
the effects of stress, such as double refraction, on the optical properties of transparent materials
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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