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单词 pelmatozoic
释义

pelmatozoicadj.

Brit. /ˌpɛlmətəˈzəʊɪk/, U.S. /ˈˌpɛlmədəˈzoʊɪk/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Pelmatozoa , -zoic comb. form2.
Etymology: < pelmato- (in scientific Latin Pelmatozoa: see pelmatozoan n. and adj.) + -zoic comb. form2, after pelmatozoan n. Compare pelmatozoan adj.
Zoology and Palaeontology. Now rare.
Designating or relating to echinoderms which are fixed to the substrate by a stalk. Cf. pelmatozoan adj.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to or characteristic of Pelmatozoa
pelmatozoic1891
1891 Athenæum 24 Jan. 125/2 Gross errors, such as putting..the pelmatozoic crinoids among the ‘Stellerida’.
1900 E. R. Lankester Treat. Zool. iii. 19 The Holothurians..are primitive as regards Pelmatozoic structure.
1909 Cent. Dict. Suppl. (at cited word) The Eleutherozoa are considered to have passed through a pelmatozoic stage.
1967 Science 27 Oct. 525 Fixation seems to have ensued (the pelmatozoic condition), perhaps in their pre-Phanerozoic period.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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adj.1891
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