oligochaeteoligocheteadj.n.

Brit.

/ˈɒlᵻɡə(ʊ)kiːt/,

/əˈlɪɡə(ʊ)kiːt/, U.S.

/ˈɑləɡoʊˌkit/,

/əˈlɪɡəˌkit/

Forms: 1800s– oligochaet, 1800s– oligochaete, 1800s– oligochete (chiefly U.S.), 1900s– oligochet (chiefly U.S., rare).

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

Etymology: < scientific Latin Oligochaeta, order name (A. E. Grube 1850, in Archiv f. Naturgeschichte 16 i. 275) < oligo- oligo- comb. form + ancient Greek χαίτη mane, taken in sense ‘bristle’ (see chaeta n.), so called from the small number of their bristly parapodia. Compare scientific Latin Oligochaeta, botanical genus name (1843). Compare also French oligochète, noun (1862).

Zoology.

A. adj.

Of or relating to annelid worms of the class Oligochaeta, which includes earthworms, characterized by simple setae on each segment and a lack of sensory appendages on the head; characteristic of or designating such worms.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [adjective] > belonging to class Chaetopoda > belonging to order Oligochaeta

oligochaete1875

oligochaetous1876

1875 Amer. Naturalist 9 609 He also noticed them in the Scorpion, the Phalangids, Araneids, Mysis and some other Crustacea, Termes and several Oligochete worms.

1884 Mind 9 416 Bonnet instituted experiments on an Oligochæte worm, Lumbriculus variegatus.

1908 Proc. Royal Soc. B. 80 430 (caption) The sensory nervous system of an oligochæte worm (Lumbricus).

1954 Ecology 35 209/1 It [sc. the Berlese method] is not a satisfactory method for estimating populations of gastropods, oligochaete worms, nematodes and other taxonomic groups.

1992 BBC Wildlife (BNC) Jan. 8 Stingless bees were observed on numerous occasions foraging en masse ‘on dead animals including..a large oligochaete worm’.

B. n.

An oligochaete worm.

ΘΚΠ

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

mudworm1871

oligochaete1885

1885 Amer. Naturalist 19 1113 M. Remy Saint-Loup describes a new marine oligochete, many characters of which are analogous to those of Pachydrilus Claparede.

1891 Amer. Naturalist 25 2 The existence of [germ-bands]..was first distinctly recognized in the Oligochætes by Dr. Wilson.

1921 Brit. Mus. Accts. 143 in Parl. Papers 27 637 A specimen of Protoscolex latus, a new Oligochaet from the Lower Ludlow Beds, has been placed on exhibition.

1952 Amer. Midland Naturalist 47 156 On July 31, I opened Utricularia bladders, finding but an ostracod, an oligochete, and a few protozoans.

1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) x. 207/1 Symbiotic bacteria..also occur in the tissues of Phallodrilus leukodermatus, a gutless oligochaete living in calcareous sands of the Bermudian reefs.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online June 2022).

单词	oligochaete
释义	oligochaeteoligocheteadj.n. Brit. /ˈɒlᵻɡə(ʊ)kiːt/, /əˈlɪɡə(ʊ)kiːt/, U.S. /ˈɑləɡoʊˌkit/, /əˈlɪɡəˌkit/ Forms: 1800s– oligochaet, 1800s– oligochaete, 1800s– oligochete (chiefly U.S.), 1900s– oligochet (chiefly U.S., rare). Origin: A borrowing from Latin. Etymon: Latin Oligochaeta. Etymology: < scientific Latin Oligochaeta, order name (A. E. Grube 1850, in Archiv f. Naturgeschichte 16 i. 275) < oligo- oligo- comb. form + ancient Greek χαίτη mane, taken in sense ‘bristle’ (see chaeta n.), so called from the small number of their bristly parapodia. Compare scientific Latin Oligochaeta, botanical genus name (1843). Compare also French oligochète, noun (1862). Zoology. A. adj. Of or relating to annelid worms of the class Oligochaeta, which includes earthworms, characterized by simple setae on each segment and a lack of sensory appendages on the head; characteristic of or designating such worms. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [adjective] > belonging to class Chaetopoda > belonging to order Oligochaeta oligochaete1875 oligochaetous1876 1875 Amer. Naturalist 9 609 He also noticed them in the Scorpion, the Phalangids, Araneids, Mysis and some other Crustacea, Termes and several Oligochete worms. 1884 Mind 9 416 Bonnet instituted experiments on an Oligochæte worm, Lumbriculus variegatus. 1908 Proc. Royal Soc. B. 80 430 (caption) The sensory nervous system of an oligochæte worm (Lumbricus). 1954 Ecology 35 209/1 It [sc. the Berlese method] is not a satisfactory method for estimating populations of gastropods, oligochaete worms, nematodes and other taxonomic groups. 1992 BBC Wildlife (BNC) Jan. 8 Stingless bees were observed on numerous occasions foraging en masse ‘on dead animals including..a large oligochaete worm’. B. n. An oligochaete worm. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Chaetopoda > order Oligochaeta > member of mudworm1871 oligochaete1885 1885 Amer. Naturalist 19 1113 M. Remy Saint-Loup describes a new marine oligochete, many characters of which are analogous to those of Pachydrilus Claparede. 1891 Amer. Naturalist 25 2 The existence of [germ-bands]..was first distinctly recognized in the Oligochætes by Dr. Wilson. 1921 Brit. Mus. Accts. 143 in Parl. Papers 27 637 A specimen of Protoscolex latus, a new Oligochaet from the Lower Ludlow Beds, has been placed on exhibition. 1952 Amer. Midland Naturalist 47 156 On July 31, I opened Utricularia bladders, finding but an ostracod, an oligochete, and a few protozoans. 1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) x. 207/1 Symbiotic bacteria..also occur in the tissues of Phallodrilus leukodermatus, a gutless oligochaete living in calcareous sands of the Bermudian reefs. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online June 2022). < adj.n.1875
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