biosphericadj.

Brit.

/ˌbʌɪəsˈfɛrɪk/, U.S.

/ˌbaɪəˈsfɪrɪk/,

/ˌbaɪəˈsfɛrɪk/

Origin: Formed within English, by compounding. Etymons: bio- comb. form, spheric adj.

Etymology: < bio- comb. form + spheric adj., after biosphere n.

Of or relating to a biosphere or biospheres (natural or artificial).

ΚΠ

1918 Amer. Naturalist 52 465 (heading) Biospheric agencies in transportation and migration.

1960 Sci. News Let. 16 Apr. 245/1 The level of biospheric contamination will reach about eight times what is predicted from weapons tests to date.

1971 I. G. Gass et al. Understanding Earth xi. 153 (caption) Biospheric, lithospheric and atmospheric evolution on the primitive Earth.

1990 Guardian (Nexis) 25 May Now that so much more is known about the extent of Soviet research into biospheric systems, the BS2 model looks less outlandish.

1999 W. B. Meyer in D. E. Alexander & R. W. Fairbridge Encycl. Environmental Sci. 58/1 The biospheric envelope can be said..to extend a few hundred meters above and below the land and water surface.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	biospheric
释义	biosphericadj. Brit. /ˌbʌɪəsˈfɛrɪk/, U.S. /ˌbaɪəˈsfɪrɪk/, /ˌbaɪəˈsfɛrɪk/ Origin: Formed within English, by compounding. Etymons: bio- comb. form, spheric adj. Etymology: < bio- comb. form + spheric adj., after biosphere n. Of or relating to a biosphere or biospheres (natural or artificial). ΚΠ 1918 Amer. Naturalist 52 465 (heading) Biospheric agencies in transportation and migration. 1960 Sci. News Let. 16 Apr. 245/1 The level of biospheric contamination will reach about eight times what is predicted from weapons tests to date. 1971 I. G. Gass et al. Understanding Earth xi. 153 (caption) Biospheric, lithospheric and atmospheric evolution on the primitive Earth. 1990 Guardian (Nexis) 25 May Now that so much more is known about the extent of Soviet research into biospheric systems, the BS2 model looks less outlandish. 1999 W. B. Meyer in D. E. Alexander & R. W. Fairbridge Encycl. Environmental Sci. 58/1 The biospheric envelope can be said..to extend a few hundred meters above and below the land and water surface. This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021). < adj.1918
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