† pinnadiformadj.

Origin: Formed within English, by compounding. Etymons: pinna n.², English -d- , -iform comb. form.

Etymology: < pinna n.² + -d-, connective element + -iform comb. form. N.E.D.(1906)) gives the pronunciation as (pinæ·difǭɹm) /pɪˈnædɪfɔːm/.

Zoology. Obsolete. rare.

Of a fish, esp. a butterfly fish (genus Chaetodon): having scales extending on to part of the dorsal and anal fins, making the body appear deeper than it is.

ΚΠ

1884 T. N. Gill in Proc. U.S. National Mus. 7 357 In the Chætodontids, an apparent expansion is manifested by the encroachment of the skin and scales on the soft dorsal and anal fins, and they may be distinguished as pinnadiform.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2020).

单词	pinnadiform
释义	† pinnadiformadj. Origin: Formed within English, by compounding. Etymons: pinna n.², English -d- , -iform comb. form. Etymology: < pinna n.² + -d-, connective element + -iform comb. form. N.E.D.(1906)) gives the pronunciation as (pinæ·difǭɹm) /pɪˈnædɪfɔːm/. Zoology. Obsolete. rare. Of a fish, esp. a butterfly fish (genus Chaetodon): having scales extending on to part of the dorsal and anal fins, making the body appear deeper than it is. ΚΠ 1884 T. N. Gill in Proc. U.S. National Mus. 7 357 In the Chætodontids, an apparent expansion is manifested by the encroachment of the skin and scales on the soft dorsal and anal fins, and they may be distinguished as pinnadiform. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2020). < adj.1884
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