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单词 pseudoplanktonic
释义

pseudoplanktonicadj.

Brit. /ˌs(j)uːdə(ʊ)plaŋ(k)ˈtɒnɪk/, U.S. /ˈˌsudoʊˌplæŋkˈtɑnɪk/
Origin: Formed within English, by compounding. Etymons: pseudo- comb. form, planktonic adj.
Etymology: < pseudo- comb. form + planktonic adj. Compare slightly later pseudoplankton n.
Biology.
Of the nature of pseudoplankton; of or relating to pseudoplankton.
ΘΚΠ
the world > life > biology > organism > plankton > [adjective] > types of
holoplanktonic1893
meroplanktonic1893
pseudoplanktonic1898
microplanktonic1930
picoplanktonic1982
1898 Amer. Naturalist 32 14 It is highly probable that many graptolites were indeed pseudo-planktonic.
1939 Amer. Midland Naturalist 21 260 Some..may have had a pseudoplanktonic or epiplanktonic mode of existence, having been attached to seaweeds.
1979 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. ix. 222/1 These [giant fossil crinoids]..lived a pseudoplanktonic life, hanging downwards from a floating driftwood log.
2002 W. Etter & C. M. Tang in D. J. Bottjer et al. Exceptional Fossil Preservation xv. 284 These crinoids were attached to the underside of the log and were therefore pseudoplanktonic.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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adj.1898
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