pyroelectricaladj.
/ˌpʌɪrəʊᵻˈlɛktrᵻkl/, U.S. /ˈˌpaɪroʊəˈlɛktrɪk(ə)l/, /ˈˌpaɪroʊiˈlɛktrɪk(ə)l/ Physics.
Of, relating to, or utilizing the pyroelectric effect.
ΚΠ
1868 A. Ramsay Rudim. Mineral. ix. 275 Prehnite also occurs in nodules having a more or less fibrous structure... It is pyroelectrical, gives off water when heated, and melts before the blowpipe into a white or yellowish blebby glass.
1892 Amer. Naturalist 26 770 With reference to the pyro-electrical properties of the crystals it was found that in small ones the negative and positive areas were irregularly distributed.
1985 Jrnl. Physical Chem. 89 1286/2 The laser beam..is split by a beam splitter into a transmitted beam..and a reflected beam illuminating a pyroelectrical joulemeter..connected to an oscilloscope..to measure the relative light intensity of each pulse.
2001 Proc. National Acad. Sci. U.S.A. 98 6600/1 A calibrated pyroelectrical detector..was used to measure the pulse energy of radiation.
This is a new entry (OED Third Edition, December 2007; most recently modified version published online March 2022).
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adj.1868