pyrometryn.

Brit.

/pʌɪˈrɒmᵻtri/, U.S.

/paɪˈrɑmətri/

Origin: Formed within English, by compounding. Etymons: pyro- comb. form, -metry comb. form.

Etymology: < pyro- comb. form + -metry comb. form, after pyrometer n. Compare French pyrométrie (1768 in the passage translated in quot. 1771 at sense 1). With sense 2 compare earlier pyrometric adj. 1, pyrometrical adj. 2.

Physics and Engineering.

1. The measurement of the expansion of solids under the influence of heat. Cf. pyrometer n. 1. Now historical.

ΘΚΠ

the world > matter > properties of materials > temperature > measurement of temperature > [noun] > specific

pyrometry1771

telethermometry1885

ebulliometry1937

1771 W. Hooper tr. J. F. von Bielfeld Elements Universal Erudition (new ed.) II. xlix. 2 In the year 1670, M. Caramuel, bishop of Campania, published a very ample treatise of all the parts of the mathematics..entitled Mathesis biceps... He there gives forty different treatises of as many sciences; which are, 1. Arithmetic;..39. Pyrometry [Fr. Pyrométrie]; 40. Pyrotechny.

1779 Philos. Trans. 1778 (Royal Soc.) 68 419 (heading) An essay on pyrometry and areometry.

1830 J. F. W. Herschel Prelim. Disc. Study Nat. Philos. 319 The dilatation of bodies by heat forms the subject of..pyrometry.

2000 B. Bensaude-Vincent in F. L. Holmes & T. H. Levere Instruments & Exper. Hist. Chem. vii. 165 In a lengthy essay on pyrometry and areometry, Swiss physicist Jean André de Luc considered the irregular increase of density and described it as a general phenomenon of all ‘mixtures’.

2. The measurement of high temperatures; the use of a pyrometer.

ΚΠ

1828 Philos. Trans. (Royal Soc.) 118 80 When I assert that so little progress has been made in pyrometry..I must be understood to refer only to the absolute measurement of high temperatures.

1897 Mining Jrnl. 30 Jan. 143/3 Pyrometry and the testing..of alloys continue to receive much attention.

1940 D. Burn Econ. Hist. Steelmaking x. 214 French work clearly remained important: it included the best early work on alloys of steel and chromium, the development of electrical pyrometry, [etc.].

1994 Observatory 114 120 The..origins [of remote-sensing techniques] lie in techniques such as radiation pyrometry, and spectroscopy with earth-based telescopes.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pyrometry
释义	pyrometryn. Brit. /pʌɪˈrɒmᵻtri/, U.S. /paɪˈrɑmətri/ Origin: Formed within English, by compounding. Etymons: pyro- comb. form, -metry comb. form. Etymology: < pyro- comb. form + -metry comb. form, after pyrometer n. Compare French pyrométrie (1768 in the passage translated in quot. 1771 at sense 1). With sense 2 compare earlier pyrometric adj. 1, pyrometrical adj. 2. Physics and Engineering. 1. The measurement of the expansion of solids under the influence of heat. Cf. pyrometer n. 1. Now historical. ΘΚΠ the world > matter > properties of materials > temperature > measurement of temperature > [noun] > specific pyrometry1771 telethermometry1885 ebulliometry1937 1771 W. Hooper tr. J. F. von Bielfeld Elements Universal Erudition (new ed.) II. xlix. 2 In the year 1670, M. Caramuel, bishop of Campania, published a very ample treatise of all the parts of the mathematics..entitled Mathesis biceps... He there gives forty different treatises of as many sciences; which are, 1. Arithmetic;..39. Pyrometry [Fr. Pyrométrie]; 40. Pyrotechny. 1779 Philos. Trans. 1778 (Royal Soc.) 68 419 (heading) An essay on pyrometry and areometry. 1830 J. F. W. Herschel Prelim. Disc. Study Nat. Philos. 319 The dilatation of bodies by heat forms the subject of..pyrometry. 2000 B. Bensaude-Vincent in F. L. Holmes & T. H. Levere Instruments & Exper. Hist. Chem. vii. 165 In a lengthy essay on pyrometry and areometry, Swiss physicist Jean André de Luc considered the irregular increase of density and described it as a general phenomenon of all ‘mixtures’. 2. The measurement of high temperatures; the use of a pyrometer. ΚΠ 1828 Philos. Trans. (Royal Soc.) 118 80 When I assert that so little progress has been made in pyrometry..I must be understood to refer only to the absolute measurement of high temperatures. 1897 Mining Jrnl. 30 Jan. 143/3 Pyrometry and the testing..of alloys continue to receive much attention. 1940 D. Burn Econ. Hist. Steelmaking x. 214 French work clearly remained important: it included the best early work on alloys of steel and chromium, the development of electrical pyrometry, [etc.]. 1994 Observatory 114 120 The..origins [of remote-sensing techniques] lie in techniques such as radiation pyrometry, and spectroscopy with earth-based telescopes. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1771
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