palaeothermometerpaleothermometern.

Brit.

/ˌpalɪəʊθəˈmɒmᵻtə/,

/ˌpeɪlɪəʊθəˈmɒmᵻtə/, U.S.

/ˈˌpeɪlioʊˌθərˈmɑmədər/

Forms: see palaeo- comb. form and thermometer n.

Origin: Formed within English, by compounding. Etymons: palaeo- comb. form, thermometer n.

Etymology: < palaeo- comb. form + thermometer n.

Geology.

Any geological fact, measurement, or sample that may be used as a means of inferring palaeotemperatures, esp. the relative abundance of the isotopes of certain chemical elements in fossil organic matter.

ΚΠ

1948 H. Urey et al. in Bull. Geol. Soc. Amer. 59 1360 The necessary conditions are..that..that this isotopic abundance is not disturbed..and..if this is to be used for a paleothermometer, that the oceans have the same isotopic abundances today as in past geological ages.

1977 Nature 13 Jan. 133/2 (heading) ¹²C/¹³C in cellulose and lignin as palaeothermometers.

1989 S. H. Schneider Global Warming (1990) 309 There are a number of complications in the interpretation of O¹⁸ as a palaeothermometer; we have to consider the temperature at which the water evaporated, the temperature at which it precipitated, and its transport path.

2000 Science (Nexis) 10 Nov. 1134 The presence of Mg⁺⁺ in calcium carbonate biominerals is increasingly being used as an empirical paleothermometer.

This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022).

单词	palaeothermometer
释义	palaeothermometerpaleothermometern. Brit. /ˌpalɪəʊθəˈmɒmᵻtə/, /ˌpeɪlɪəʊθəˈmɒmᵻtə/, U.S. /ˈˌpeɪlioʊˌθərˈmɑmədər/ Forms: see palaeo- comb. form and thermometer n. Origin: Formed within English, by compounding. Etymons: palaeo- comb. form, thermometer n. Etymology: < palaeo- comb. form + thermometer n. Geology. Any geological fact, measurement, or sample that may be used as a means of inferring palaeotemperatures, esp. the relative abundance of the isotopes of certain chemical elements in fossil organic matter. ΚΠ 1948 H. Urey et al. in Bull. Geol. Soc. Amer. 59 1360 The necessary conditions are..that..that this isotopic abundance is not disturbed..and..if this is to be used for a paleothermometer, that the oceans have the same isotopic abundances today as in past geological ages. 1977 Nature 13 Jan. 133/2 (heading) ¹²C/¹³C in cellulose and lignin as palaeothermometers. 1989 S. H. Schneider Global Warming (1990) 309 There are a number of complications in the interpretation of O¹⁸ as a palaeothermometer; we have to consider the temperature at which the water evaporated, the temperature at which it precipitated, and its transport path. 2000 Science (Nexis) 10 Nov. 1134 The presence of Mg⁺⁺ in calcium carbonate biominerals is increasingly being used as an empirical paleothermometer. This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1948
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