chemoautotrophyn.

Brit.

/ˌkiːməʊˈɔːtə(ʊ)ˌtrəʊfi/,

/ˌkɛməʊˈɔːtə(ʊ)ˌtrəʊfi/, U.S.

/ˌkimoʊˈɔdoʊˌtroʊfi/,

/ˌkimoʊˈɑdoʊˌtroʊfi/,

/ˌkɛmoʊˈɔdoʊˌtroʊfi/,

/ˌkɛmoʊˈɑdoʊˌtroʊfi/

Forms: 1900s– chemautotrophy, 1900s– chemoautotrophy.

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: chemo- comb. form, autotrophy n.

Etymology: < chemo- comb. form + autotrophy n., after German Chemoautotrophie (E. G. Pringsheim 1932, in Naturwissenschaften 20 479/1). Compare earlier chemoautotrophic adj., chemoautotroph n., and chemoautotrophism n.

Biology.

A form of chemotrophic nutrition in which energy derived from chemical reactions is used to synthesize complex organic compounds from carbon dioxide. Contrasted with chemoheterotrophy n. and with photoautotrophy n.Such nutrition may require an organic compound as an electron donor for biosynthesis; but cf. chemolithoautotrophy n.

ΘΚΠ

the world > life > biology > balance of nature > organisms in relation to habitat > [noun] > conditions of

plasticity1858

modification1875

tolerance1898

autotrophy1900

heterotrophism1900

sympatry1904

heterotrophy1930

zootrophy1930

chemoautotrophism1943

chemolithotrophy1947

chemoorganotrophy1947

chemotrophy1947

chemoautotrophy1949

prototrophy1949

auxotrophy1953

photoautotrophy1961

photoheterotrophy1961

opportunism1967

chemoheterotrophy1972

chemolithoautotrophy1976

psychrotolerance1977

1949 Obituary Notices Fellows Royal Soc. 6 473 The famous investigations on sulphur bacteria which led to the discovery of chemo-autotrophy.

1967 Q. Rev. Biol. 42 102/1 The origin of life on Earth is imagined to involve primitive chemautotrophy.

1998 Proc. National Acad. Sci. U.S.A. 95 9400/1 Concentrations of biological activity dependent on bacterial chemautotrophy have been discovered at redox boundaries associated with hot vents, cold seeps, and the oxygen minimum zones.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	chemoautotrophy
释义	chemoautotrophyn. Brit. /ˌkiːməʊˈɔːtə(ʊ)ˌtrəʊfi/, /ˌkɛməʊˈɔːtə(ʊ)ˌtrəʊfi/, U.S. /ˌkimoʊˈɔdoʊˌtroʊfi/, /ˌkimoʊˈɑdoʊˌtroʊfi/, /ˌkɛmoʊˈɔdoʊˌtroʊfi/, /ˌkɛmoʊˈɑdoʊˌtroʊfi/ Forms: 1900s– chemautotrophy, 1900s– chemoautotrophy. Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: chemo- comb. form, autotrophy n. Etymology: < chemo- comb. form + autotrophy n., after German Chemoautotrophie (E. G. Pringsheim 1932, in Naturwissenschaften 20 479/1). Compare earlier chemoautotrophic adj., chemoautotroph n., and chemoautotrophism n. Biology. A form of chemotrophic nutrition in which energy derived from chemical reactions is used to synthesize complex organic compounds from carbon dioxide. Contrasted with chemoheterotrophy n. and with photoautotrophy n.Such nutrition may require an organic compound as an electron donor for biosynthesis; but cf. chemolithoautotrophy n. ΘΚΠ the world > life > biology > balance of nature > organisms in relation to habitat > [noun] > conditions of plasticity1858 modification1875 tolerance1898 autotrophy1900 heterotrophism1900 sympatry1904 heterotrophy1930 zootrophy1930 chemoautotrophism1943 chemolithotrophy1947 chemoorganotrophy1947 chemotrophy1947 chemoautotrophy1949 prototrophy1949 auxotrophy1953 photoautotrophy1961 photoheterotrophy1961 opportunism1967 chemoheterotrophy1972 chemolithoautotrophy1976 psychrotolerance1977 1949 Obituary Notices Fellows Royal Soc. 6 473 The famous investigations on sulphur bacteria which led to the discovery of chemo-autotrophy. 1967 Q. Rev. Biol. 42 102/1 The origin of life on Earth is imagined to involve primitive chemautotrophy. 1998 Proc. National Acad. Sci. U.S.A. 95 9400/1 Concentrations of biological activity dependent on bacterial chemautotrophy have been discovered at redox boundaries associated with hot vents, cold seeps, and the oxygen minimum zones. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1949
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