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单词 archaeon
释义

archaeonn.

Brit. /ɑːˈkiːən/, /ɑːˈkiːɒn/, U.S. /ɑrˈkiən/, /ɑrˈkiˌɑn/, /ɑrˈkeɪən/, /ɑrˈkeɪˌɑn/
Forms: 1900s– archaeon, 1900s– archeon. Also with capital initial.
Origin: A variant or alteration of another lexical item. Etymon: Archaea n.
Etymology: Inferred singular < Archaea n.; compare -on suffix1.
Biology.
A member of the taxon Archaea of prokaryotic organisms; an archaebacterium.The plural form is frequently supplied by archaea: see Archaea n.
ΘΚΠ
the world > life > biology > organism > micro-organism > archaebacterium > [noun]
thermoacidophile1976
archaebacterium1977
archaeon1990
1990 Proc. National Acad. Sci. U.S.A. 87 5788 (title) HMf, a DNA-binding protein isolated from the hyperthermophilic archaeon Methanothermus fervidus, is most closely related to histones.
1999 G. R. Stewart & S. Schmidt in M. C. Press et al. Physiol. Plant Ecol. v. 95 The nickel enzymes of archaeons may be in one sense, living ‘fossil’ enzymes.
2013 Marine Ecol. Progress Ser. 488 90/1 These key ecosystem processes are benthic, mainly driven by microscopic organisms in the sediment (microphytobenthos, bacteria and archeons).
This entry has been updated (OED Third Edition, December 2021).
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n.1990
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