pyroelectricadj.
/ˌpʌɪrəʊᵻˈlɛktrɪk/, U.S. /ˈˌpaɪroʊəˈlɛktrɪk/, /ˈˌpaɪroʊiˈlɛktrɪk/ Physics.
Displaying or utilizing the phenomenon of pyroelectricity; of or relating to pyroelectricity.
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pyroelectric1814
1814 A. Aikin Man. Mineral. 122 Mesotype... Not pyro-electric.
1853 Pharm. Jrnl. & Trans. 13 112 The crystals..are..pyroelectric.
1871 B. Stewart Heat (ed. 2) §167 Haüy was the first to remark that those crystals are pyroelectric which are deficient in symmetry.
1939 Proc. Royal Soc. A. 173 148 The crystal class was found with certainty since there was a marked pyroelectric effect detectable by the liquid air method.
1979 ‘R. Cassilis’ Arrow of God iii. v. 60 Beneath a layer of Wordsworth we packed..half a dozen pyroelectric-vidicon cameras.
1992 S. Levy Artific. Life 299 Prowling occurred when the robot's forward-facing pyroelectric sensors detected the heat of a human being.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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