chemoautotrophn.
/ˌkiːməʊˈɔːtə(ʊ)ˌtrəʊf/, /ˌkɛməʊˈɔːtə(ʊ)ˌtrəʊf/, U.S. /ˌkimoʊˈɔdoʊˌtroʊf/, /ˌkɛmoʊˈɑdoʊˌtroʊf/ Biology.
A chemoautotrophic organism.
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the world > life > biology > balance of nature > organisms in relation to habitat > [noun]
colonist1839
benthos1891
land form1897
heterotroph1900
autotroph1901
epibenthos1902
specialist1902
microaerophile1903
nitrifier1903
consumer1904
nitrogen fixer1904
producer1904
indicator1906
psychrophile1906
thermophil1909
sulphuretum1925
influent1926
halobiont1928
halophile1928
mesophile1928
oligosaprobe1931
saprobe1932
eurytope1938
stenotope1938
photoautotroph1939
chemoautotroph1943
prototroph1946
mixotrophy1948
chemolithoautotroph1949
auxotroph1950
chemoheterotroph1951
chemoorganotroph1953
chemolithotroph1955
chemotroph1958
osmophile1961
psychrotroph1963
saprotroph1963
generalist1964
opportunist1967
cryophile1970
1943 Physiol. Rev. 23 347 Instead of carrying out a photosynthetic metabolism they now behave as chemo-autotrophs.
1956 Sci. Progr. 44 371 They [sc. microorganisms] include two groups unique in their nutritional abilities. The first is that of the Chemautotrophs, such as Nitrosomonas.
1982 M. J. Dring Biol. Marine Plants ix. 174 The H2S which is released may support a small population of chemoautotrophs throughout the upper part of the sediments.
2006 New Scientist 10 June 7/1 The ecosystem is probably powered not by the sun but by chemoautotrophs that oxidise sulphur as an energy source.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).
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n.1943