geochronometricadj.

Brit.

/ˌdʒiːə(ʊ)ˌkrɒnəˈmɛtrɪk/, U.S.

/ˌdʒioʊˌkrɑnəˈmɛtrɪk/

Origin: Formed within English, by compounding. Etymons: geo- comb. form, chronometric adj.

Etymology: < geo- comb. form + chronometric adj. Compare earlier geochronometer n. and slightly later geochronometry n.²

Geology.

Of or relating to geochronometry (geochronometry n.²).

ΘΚΠ

the world > the earth > earth sciences > geology > [adjective] > dating

geochronological1919

tephrochronological1944

geochronometric1951

lichenometrical1958

lichenometric1959

1951 Science 2 May 258/1 Edward Sinnott, director of Yale's Division of the Sciences, has announced the opening of the Geochronometric Laboratory, a new research center to provide accurate dating of events during the past 15,000 years.

1978 Nature 22 June 589/1 Intensified studies of biostratigraphy and a search for more widely applicable geochronometric methods, are urgently needed.

1988 P. Cloud Oasis in Space viii. 172/2 An international subcommission..now proposes to delimit Archean from Proterozoic history in purely geochronometric terms at the radiometric age level..of 2.5 aeons BP.

2008 Assessment NASA Astrobiol. Inst. (U.S. Nat. Res. Council) ii. 20 Fieldwork..determined strong geochronometric constraints on the timing of Neoproterozoic ice ages.

This is a new entry (OED Third Edition, March 2012; most recently modified version published online March 2022).

单词	geochronometric
释义	geochronometricadj. Brit. /ˌdʒiːə(ʊ)ˌkrɒnəˈmɛtrɪk/, U.S. /ˌdʒioʊˌkrɑnəˈmɛtrɪk/ Origin: Formed within English, by compounding. Etymons: geo- comb. form, chronometric adj. Etymology: < geo- comb. form + chronometric adj. Compare earlier geochronometer n. and slightly later geochronometry n.² Geology. Of or relating to geochronometry (geochronometry n.²). ΘΚΠ the world > the earth > earth sciences > geology > [adjective] > dating geochronological1919 tephrochronological1944 geochronometric1951 lichenometrical1958 lichenometric1959 1951 Science 2 May 258/1 Edward Sinnott, director of Yale's Division of the Sciences, has announced the opening of the Geochronometric Laboratory, a new research center to provide accurate dating of events during the past 15,000 years. 1978 Nature 22 June 589/1 Intensified studies of biostratigraphy and a search for more widely applicable geochronometric methods, are urgently needed. 1988 P. Cloud Oasis in Space viii. 172/2 An international subcommission..now proposes to delimit Archean from Proterozoic history in purely geochronometric terms at the radiometric age level..of 2.5 aeons BP. 2008 Assessment NASA Astrobiol. Inst. (U.S. Nat. Res. Council) ii. 20 Fieldwork..determined strong geochronometric constraints on the timing of Neoproterozoic ice ages. This is a new entry (OED Third Edition, March 2012; most recently modified version published online March 2022). < adj.1951
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