pyrometricallyadv.
/ˌpʌɪrə(ʊ)ˈmɛtrᵻkli/, U.S. /ˌpaɪroʊˈmɛtrək(ə)li/ Physics and Engineering.
By means of a pyrometer or pyrometry.
ΚΠ
1824 Mechanic's Mag. 13 Mar. 54/1 If..there is a possibility of the atmosphere preserving an uniform pressure for so long a period, a thermometer constructed pyrometrically (i. e. with bars of metal possessing an equal expansibility) may be substituted.
1904 Philos. Trans. (Royal Soc.) A. 202 63 We have not verified their results pyrometrically, but the microscope amply confirms them.
1972 Rev. Sci. Instruments 43 1075 This method of temperature measurement is useful when determining temperatures of transparent and translucent surfaces which cannot be pyrometrically measured.
2003 H. Stafast et al. in P. Jutzi & U. Schubert Silicon Chem. iii. 36 Substrate heating is..controlled pyrometrically.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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adv.1824