octactinaladj.

Brit.

/ɒkˈtaktᵻnl/,

/ɒktakˈtʌɪnl/, U.S.

/ɑkˈtæktən(ə)l/

Origin: A borrowing from Greek, combined with English elements. Etymons: octo- comb. form, Greek ἄκτιν- , -al suffix¹.

Etymology: < octo- comb. form + ἄκτιν-, ἀκτίς ray (see actino- comb. form) + -al suffix¹. Compare actinal adj. Compare slightly earlier octactinian n.

Zoology. rare.

Having eight rays; spec. of or relating to the subclass Octocorallia (formerly called Octactiniae) of anthozoan corals whose polyps bear eight pinnate tentacles.

ΚΠ

1890 Cent. Dict. Octactinal, eight-rayed; octamerous, as a polyp; specifically, of or pertaining to the Octactiniæ.

1990 Biologiya Morya (Vladivostok) No. 3. 9 The colonies of the octactinal coral Gersemia fruticosa in the White Sea inhabit the depths of more than 20 m.

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

单词	octactinal
释义	octactinaladj. Brit. /ɒkˈtaktᵻnl/, /ɒktakˈtʌɪnl/, U.S. /ɑkˈtæktən(ə)l/ Origin: A borrowing from Greek, combined with English elements. Etymons: octo- comb. form, Greek ἄκτιν- , -al suffix¹. Etymology: < octo- comb. form + ἄκτιν-, ἀκτίς ray (see actino- comb. form) + -al suffix¹. Compare actinal adj. Compare slightly earlier octactinian n. Zoology. rare. Having eight rays; spec. of or relating to the subclass Octocorallia (formerly called Octactiniae) of anthozoan corals whose polyps bear eight pinnate tentacles. ΚΠ 1890 Cent. Dict. Octactinal, eight-rayed; octamerous, as a polyp; specifically, of or pertaining to the Octactiniæ. 1990 Biologiya Morya (Vladivostok) No. 3. 9 The colonies of the octactinal coral Gersemia fruticosa in the White Sea inhabit the depths of more than 20 m. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < adj.1890
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