palaeogeothermpaleogeothermn.

Brit.

/ˌpalɪə(ʊ)ˈdʒiːə(ʊ)θəːm/,

/ˌpeɪlɪə(ʊ)ˈdʒiːə(ʊ)θəːm/, U.S.

/ˌpeɪlioʊˈdʒioʊˌθərm/

Forms: see palaeo- comb. form and geo- comb. form and -therm comb. form.

Origin: Formed within English, by compounding. Etymons: palaeo- comb. form, geo- comb. form, -therm comb. form.

Etymology: < palaeo- comb. form + geo- comb. form + -therm comb. form, after palaeogeothermal adj. Compare isogeotherm n.

Geology.

A palaeogeothermal gradient.

ΘΚΠ

the world > matter > properties of materials > temperature > [noun] > prehistoric temperature variation of earth

palaeogeotherm1975

the world > matter > properties of materials > temperature > [adjective] > relating to palaeogeotherms

palaeogeotherm1975

1975 Nature 3 Apr. 406/2 The palaeogeotherms which existed in the upper mantle immediately before incorporation and transport of the xenoliths by kimberlite eruptions have been derived from data from large numbers of individual xenoliths.

1988 Philos. Trans. (Royal Soc.) A. 326 243 Close-up of profile is to show that changes in metamorphic grade relate primarily to minor thrusts rather than a palaeo-geotherm.

This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).

单词	palaeogeotherm
释义	palaeogeothermpaleogeothermn. Brit. /ˌpalɪə(ʊ)ˈdʒiːə(ʊ)θəːm/, /ˌpeɪlɪə(ʊ)ˈdʒiːə(ʊ)θəːm/, U.S. /ˌpeɪlioʊˈdʒioʊˌθərm/ Forms: see palaeo- comb. form and geo- comb. form and -therm comb. form. Origin: Formed within English, by compounding. Etymons: palaeo- comb. form, geo- comb. form, -therm comb. form. Etymology: < palaeo- comb. form + geo- comb. form + -therm comb. form, after palaeogeothermal adj. Compare isogeotherm n. Geology. A palaeogeothermal gradient. ΘΚΠ the world > matter > properties of materials > temperature > [noun] > prehistoric temperature variation of earth palaeogeotherm1975 the world > matter > properties of materials > temperature > [adjective] > relating to palaeogeotherms palaeogeotherm1975 1975 Nature 3 Apr. 406/2 The palaeogeotherms which existed in the upper mantle immediately before incorporation and transport of the xenoliths by kimberlite eruptions have been derived from data from large numbers of individual xenoliths. 1988 Philos. Trans. (Royal Soc.) A. 326 243 Close-up of profile is to show that changes in metamorphic grade relate primarily to minor thrusts rather than a palaeo-geotherm. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1975
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