psychrospheren.

Brit.

/ˈsʌɪkrə(ʊ)sfɪə/, U.S.

/ˈsaɪkrəˌsfɪ(ə)r/

Origin: Formed within English, by compounding. Etymons: psychro- comb. form, -sphere comb. form.

Etymology: < psychro- comb. form + -sphere comb. form. Compare thermosphere n. 2.

Oceanography.

The colder, deeper part of the oceans. Contrasted with thermosphere.

ΘΚΠ

the world > the earth > water > sea or ocean > region of sea or ocean > [noun] > specific layers

laminarian zone1851

stratosphere1932

troposphere1932

scattering layer1942

sound channel1946

psychrosphere1956

thermosphere1956

Ekman layer1957

thermo-halocline1964

nepheloid layer1965

1956 A. T. Bruun in Nature 16 June 1106 (in figure) Psychrosphere.

1957 A. T. Bruun in Mem. Geol. Soc. Amer. 67 641 The division of the hydrosphere into a warm troposphere and a cold stratosphere..is the most pronounced division in the oceanic water masses. In the following the terms thermosphere and psychrosphere are used for these divisions to stress this salient ecological factor.

1983 A. Hallam in D. S. Bendall Evol. from Molecules to Men xviii. 378 The extinction of many marine foraminiferal and ostracode species at or close to the Eocene-Oligocene boundary could be bound up with the establishment of the layer of cold, deep water in the oceans known as the psychrosphere.

2004 Marine Micropaleontol. 52 154/1 At high latitudes, cooled bottom-waters spread throughout all major ocean basins to form the psychrosphere.

Derivatives

ˌpsychroˈspheric adj. of, relating to, or inhabiting the psychrosphere.

ΘΚΠ

the world > the earth > water > sea or ocean > region of sea or ocean > [adjective] > deep parts

abyssopelagic1844

benthal1881

Bassalian1885

bathyal1926

psychrospheric1973

1973 Q. Rev. Biol. 48 513/1 (title) Descriptions of two new psychrospheric ostracode genera.

1984 Science 22 June 1335/1 This period marks a change in energy flow in the deep sea..to a cold, strongly stratified, psychrospheric water-mass system.

2003 Marine Micropaleontol. 48 91 A similar fauna..would likely be encountered in upper psychrospheric conditions.

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

单词	psychrosphere
释义	psychrospheren. Brit. /ˈsʌɪkrə(ʊ)sfɪə/, U.S. /ˈsaɪkrəˌsfɪ(ə)r/ Origin: Formed within English, by compounding. Etymons: psychro- comb. form, -sphere comb. form. Etymology: < psychro- comb. form + -sphere comb. form. Compare thermosphere n. 2. Oceanography. The colder, deeper part of the oceans. Contrasted with thermosphere. ΘΚΠ the world > the earth > water > sea or ocean > region of sea or ocean > [noun] > specific layers laminarian zone1851 stratosphere1932 troposphere1932 scattering layer1942 sound channel1946 psychrosphere1956 thermosphere1956 Ekman layer1957 thermo-halocline1964 nepheloid layer1965 1956 A. T. Bruun in Nature 16 June 1106 (in figure) Psychrosphere. 1957 A. T. Bruun in Mem. Geol. Soc. Amer. 67 641 The division of the hydrosphere into a warm troposphere and a cold stratosphere..is the most pronounced division in the oceanic water masses. In the following the terms thermosphere and psychrosphere are used for these divisions to stress this salient ecological factor. 1983 A. Hallam in D. S. Bendall Evol. from Molecules to Men xviii. 378 The extinction of many marine foraminiferal and ostracode species at or close to the Eocene-Oligocene boundary could be bound up with the establishment of the layer of cold, deep water in the oceans known as the psychrosphere. 2004 Marine Micropaleontol. 52 154/1 At high latitudes, cooled bottom-waters spread throughout all major ocean basins to form the psychrosphere. Derivatives ˌpsychroˈspheric adj. of, relating to, or inhabiting the psychrosphere. ΘΚΠ the world > the earth > water > sea or ocean > region of sea or ocean > [adjective] > deep parts abyssopelagic1844 benthal1881 Bassalian1885 bathyal1926 psychrospheric1973 1973 Q. Rev. Biol. 48 513/1 (title) Descriptions of two new psychrospheric ostracode genera. 1984 Science 22 June 1335/1 This period marks a change in energy flow in the deep sea..to a cold, strongly stratified, psychrospheric water-mass system. 2003 Marine Micropaleontol. 48 91 A similar fauna..would likely be encountered in upper psychrospheric conditions. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1956
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