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单词 polychaetan
释义

polychaetann.adj.

Brit. /ˌpɒlɪˈkiːtn/, U.S. /ˌpɑliˈkitn/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Polychaeta , -an suffix.
Etymology: < scientific Latin Polychaeta (see polychaete adj. and n.) + -an suffix. With use as adjective compare earlier polychaete adj., polychaetous adj.
Zoology. rare.
A. n.
= polychaete n.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Chaetopoda > order Polychaeta > member of
bloodworm1736
polychaetan1865
polychaete1891
1865 Zool. Rec. 1864 I. 599 An undoubted Polychætan.
1998 Zoomorphology 118 225 The gill surface areas..have been calculated and compared with data already obtained on vascular gills of littoral or hydrothermal species of Polychaetan.
B. adj.
= polychaete adj. Obsolete.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [adjective] > belonging to class Chaetopoda > belonging to order Polychaeta
polychaetous1871
polychaete1881
polychaetan1888
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 582 Larval or provisional nephridia..occur in many Polychaetan Trochospheres.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.adj.1865
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