polychaetepolycheteadj.n.

Brit.

/ˈpɒlɪkiːt/, U.S.

/ˈpɑliˌkit/

Forms: 1800s– polychaete, 1800s– polychete (chiefly U.S.), 1900s– polychaet.

Origin: A borrowing from Latin. Etymon: Latin Polychaeta.

Etymology: < scientific Latin Polychaeta, class name (A. E. Grube 1850, in Archiv f. Naturgeschichte 16 274) < Hellenistic Greek πολυχαίτης having much hair < ancient Greek πολυ- poly- comb. form + χαίτη mane, taken in sense ‘bristle’ (see chaeta n.). Compare French polychète , noun (1878), adjective (1880). Compare earlier polychaetous adj. and oligochaete adj., oligochaete n.

Zoology.

A. adj.

Of or relating to the class Polychaeta of aquatic annelid worms (including lugworms and ragworms) having segmented bodies with numerous bristles on the fleshy lobes of each segment.

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

1881 Amer. Naturalist 15 808 The eighth volume..contains an elaborate essay..on the polychete Annelids.

1938 Times 30 Aug. 13/4 These coral-like marine growths were identified as polychaete worms.

1968 Ecology 49 859/2 During period 4 the planktonic larvae of the polychete worm Polydora were observed.

1993 Sci. News 10 Apr. 234/1 Pollution has driven away most of the organisms.., leaving the region to be colonized by opportunistic ‘weedy’ species such as polychaete worms.

2001 K. Fauchald in G. W. Rouse & F. Pleijel Polychaetes p. vii/1 When I started in polychaete systematics, the traditions were very much descriptive.

B. n.

A worm of the class Polychaeta; a bristle worm.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Chaetopoda > order Polychaeta > member of

bloodworm1736

polychaetan1865

polychaete1891

1891 Amer. Naturalist 25 832 He institutes a striking comparison between the gonads of the Polychæte placed on the posterior side of a dissepiment and those of Sipunculus attached to the posterior surface of the pharyngeal retractors.

1925 Science 26 June 658/1 A long irregularly coiled tube, resembling that of some of the polychetes, is produced eventually.

1965 B. E. Freeman tr. A. Vandel Biospeleol. vii. 69 The polychaetes are the most typical and most abundant group of the annelids.

1995 E. W. Knight-Jones et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe vi. 165 In polychaetes, which are entirely aquatic, a typical segment carries..chitinous bristles.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polychaete
释义	polychaetepolycheteadj.n. Brit. /ˈpɒlɪkiːt/, U.S. /ˈpɑliˌkit/ Forms: 1800s– polychaete, 1800s– polychete (chiefly U.S.), 1900s– polychaet. Origin: A borrowing from Latin. Etymon: Latin Polychaeta. Etymology: < scientific Latin Polychaeta, class name (A. E. Grube 1850, in Archiv f. Naturgeschichte 16 274) < Hellenistic Greek πολυχαίτης having much hair < ancient Greek πολυ- poly- comb. form + χαίτη mane, taken in sense ‘bristle’ (see chaeta n.). Compare French polychète , noun (1878), adjective (1880). Compare earlier polychaetous adj. and oligochaete adj., oligochaete n. Zoology. A. adj. Of or relating to the class Polychaeta of aquatic annelid worms (including lugworms and ragworms) having segmented bodies with numerous bristles on the fleshy lobes of each segment. 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 1881 Amer. Naturalist 15 808 The eighth volume..contains an elaborate essay..on the polychete Annelids. 1938 Times 30 Aug. 13/4 These coral-like marine growths were identified as polychaete worms. 1968 Ecology 49 859/2 During period 4 the planktonic larvae of the polychete worm Polydora were observed. 1993 Sci. News 10 Apr. 234/1 Pollution has driven away most of the organisms.., leaving the region to be colonized by opportunistic ‘weedy’ species such as polychaete worms. 2001 K. Fauchald in G. W. Rouse & F. Pleijel Polychaetes p. vii/1 When I started in polychaete systematics, the traditions were very much descriptive. B. n. A worm of the class Polychaeta; a bristle worm. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Chaetopoda > order Polychaeta > member of bloodworm1736 polychaetan1865 polychaete1891 1891 Amer. Naturalist 25 832 He institutes a striking comparison between the gonads of the Polychæte placed on the posterior side of a dissepiment and those of Sipunculus attached to the posterior surface of the pharyngeal retractors. 1925 Science 26 June 658/1 A long irregularly coiled tube, resembling that of some of the polychetes, is produced eventually. 1965 B. E. Freeman tr. A. Vandel Biospeleol. vii. 69 The polychaetes are the most typical and most abundant group of the annelids. 1995 E. W. Knight-Jones et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe vi. 165 In polychaetes, which are entirely aquatic, a typical segment carries..chitinous bristles. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.n.1881
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