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单词 monoplastid
释义

monoplastidn.

Forms: 1800s monoplastid, 1800s monoplastides (plural).
Origin: A borrowing from German. Etymon: German Monoplastid.
Etymology: < German Monoplastid (A. Goette Über den Ursprung des Todes (1883) 14, referred to by Weismann in the passage translated in quot. 18891) < mono- mono- comb. form + Plastid plastid n. Compare earlier monoplast n., and also plastid n., polyplastid n. N.E.D. (1907) gives the pronunciation as (mǫnoplæ·stid) /mɒnəʊˈplæstɪd/.
Biology. Obsolete.
= monoplast n.
ΘΚΠ
the world > life > biology > organism > organisms by number or kind of cells > [noun]
Euglena1858
monoplast1877
polyplastid1884
homoplastide1889
monoplastid1889
diploid1908
the world > life > biology > organism > organisms by number or kind of cells > [adjective]
monocellular1854
multicellular1857
unicellular1858
monoplastic1877
unicelled1877
multicelled1884
acellular1886
monoplastid1889
tricellular1891
single-celled1899
mixed-celled1908
microcellular1909
1889 E. B. Poulton et al. tr. A. Weismann Ess. Heredity iii. 120 (note) The conception of Protozoa and Metazoa does not correspond exactly with that of the unicellular and multicellular beings, for which Goette has proposed the names Mono- and Polyplastids.
1889 S. H. Vines in Nature 24 Oct. 621 Professor Weismann appears to have fully established..that the body of unicellular organisms (monoplastides)..is immortal, at any rate potentially.
1895 Sci. Progress June 323 There are many monoplastid forms with affinities among the polyplastids.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online December 2020).
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n.1889
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