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单词 prokaryotic
释义

prokaryoticadj.

Brit. /prəʊˌkarɪˈɒtɪk/, /ˌprəʊkarɪˈɒtɪk/, U.S. /proʊˌkɛriˈɑdɪk/
Forms: 1900s– procaryotic, 1900s– prokaryotic.
Origin: Formed within English, by derivation. Etymons: prokaryon n., -otic suffix.
Etymology: < prokaryon n. + -otic suffix. Compare eukaryotic adj. and later prokaryote n.
Biology.
(Of a cell) lacking a nuclear membrane or membrane-bound organelles; (of an organism) composed of such a cell or cells. Also: of or relating to such a cell or organism. Contrasted with eukaryotic.
ΘΚΠ
the world > life > biology > organism > micro-organism > other micro-organisms > [adjective]
protococcoid1882
pathobiological1887
pathogermic1887
filter-passing1910
prokaryotic1957
mycoplasmal1959
protococcoidal1965
mycoplasma-like1967
methylotrophic1974
mycoplasmic1974
1957 E. C. Dougherty in Jrnl. Protozool. 4 Suppl. 14/1 For the moneran nucleus I propose prokaryon.., and for that of higher organisms, eukaryon... From these derive..the nouns prokaryosis and eukaryosis and their corresponding adjectives, prokaryotic and eukaryotic.., denoting, respectively, ‘the condition of possessing prokarya or eukarya’.
1976 W. C. Schefler Biol. xiii. 242/1 Procaryotic cells..lack mitochondria, chloroplasts, an endoplasmic reticulum, Golgi bodies, and lysosomes.
1997 R. Dawkins in Evolution 51 1016/2 Gould..reminds us, our ancestors have been bacteria... We eucaryotes, we large animals, we brainy animals, are a recent wart on the face of a biosphere which is still fundamentally, and predominantly, procaryotic.
2005 Gene 354 99 Chloroplasts are specific plant organelles of prokaryotic origin.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).
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adj.1957
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