perichaetineadj.

Brit.

/ˌpɛrɪˈkiːtʌɪn/, U.S.

/ˌpɛrəˈkidaɪn/

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: peri- prefix, chaeta n., -ine suffix¹.

Etymology: < peri- prefix + chaeta n. + -ine suffix¹, after German perichaetin (1903 or earlier). Compare earlier perichaetous adj.

Zoology.

Of, relating to, or designating an oligochaete worm having numerous setae forming a ring around each segment, as in earthworms of the genus Perichaeta.

ΚΠ

1930 J. Stephenson Oligochaeta ii. 14 It is now established that the perichaetine condition has been evolved from the lumbricine.

1963 G. A. Kerkut Borradaile & Potts's Invertebrata (ed. 4) viii. 298 The chaetae may increase in number and come to be arranged in a complete ring round the body (perichaetine).

1998 Invertebr. Taxonomy 12 655 Characteristic traits..are perichaetine setae, tubulo-racemose prostates, [etc.].

This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	perichaetine
释义	perichaetineadj. Brit. /ˌpɛrɪˈkiːtʌɪn/, U.S. /ˌpɛrəˈkidaɪn/ Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: peri- prefix, chaeta n., -ine suffix¹. Etymology: < peri- prefix + chaeta n. + -ine suffix¹, after German perichaetin (1903 or earlier). Compare earlier perichaetous adj. Zoology. Of, relating to, or designating an oligochaete worm having numerous setae forming a ring around each segment, as in earthworms of the genus Perichaeta. ΚΠ 1930 J. Stephenson Oligochaeta ii. 14 It is now established that the perichaetine condition has been evolved from the lumbricine. 1963 G. A. Kerkut Borradaile & Potts's Invertebrata (ed. 4) viii. 298 The chaetae may increase in number and come to be arranged in a complete ring round the body (perichaetine). 1998 Invertebr. Taxonomy 12 655 Characteristic traits..are perichaetine setae, tubulo-racemose prostates, [etc.]. This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022). < adj.1930
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