pygidialadj.

Brit.

/pʌɪˈdʒɪdɪəl/,

/pʌɪˈɡɪdɪəl/, U.S.

/paɪˈdʒɪdiəl/,

/paɪˈɡɪdiəl/

Origin: Formed within English, by derivation. Etymons: pygidium n., -al suffix¹.

Etymology: < pygidium n. + -al suffix¹.

Zoology.

Of or relating to the pygidium; situated on or in the pygidium.

ΘΚΠ

the world > animals > invertebrates > bodies or parts > [adjective] > relating to posterior segment

pygidial1876

1876 Proc. Amer. Philos. Soc. 15 403 Pygidial groove very short, not extending beyond the tips of the elytra.

1953 New Biol. 14 116 Both sexes [of fleas] have a ‘pygidial organ’ on the dorsal region of the tenth abdominal segment.

1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. xvi. 270 In the bombardier beetles..the pygidial glands..produce a defensive spray.

1995 E. W. Knight-Jones et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe vi. 203/1 Bristle worms... Anus terminal, within a pygidial funnel fringed with cirri.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pygidial
释义	pygidialadj. Brit. /pʌɪˈdʒɪdɪəl/, /pʌɪˈɡɪdɪəl/, U.S. /paɪˈdʒɪdiəl/, /paɪˈɡɪdiəl/ Origin: Formed within English, by derivation. Etymons: pygidium n., -al suffix¹. Etymology: < pygidium n. + -al suffix¹. Zoology. Of or relating to the pygidium; situated on or in the pygidium. ΘΚΠ the world > animals > invertebrates > bodies or parts > [adjective] > relating to posterior segment pygidial1876 1876 Proc. Amer. Philos. Soc. 15 403 Pygidial groove very short, not extending beyond the tips of the elytra. 1953 New Biol. 14 116 Both sexes [of fleas] have a ‘pygidial organ’ on the dorsal region of the tenth abdominal segment. 1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. xvi. 270 In the bombardier beetles..the pygidial glands..produce a defensive spray. 1995 E. W. Knight-Jones et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe vi. 203/1 Bristle worms... Anus terminal, within a pygidial funnel fringed with cirri. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.1876
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