Definition of octactinal in English:

octactinal

adjective ɒktakˈtʌɪnlɒkˈtaktɪnl

Zoology rare

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

Late 19th century; earliest use found in The Century Dictionary. From octo- + ἄκτιν-, ἀκτίς ray + -al. Compare actinal.

adjective

Zoology rare

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

Late 19th century; earliest use found in The Century Dictionary. From octo- + ἄκτιν-, ἀκτίς ray + -al. Compare actinal.

词汇	octactinal
释义	Definition of octactinal in English: octactinal adjective ɒktakˈtʌɪnlɒkˈtaktɪnl Zoology rare Having eight rays; specifically of or relating to the subclass Octocorallia (formerly called Octactiniae) of anthozoan corals whose polyps bear eight pinnate tentacles. Origin Late 19th century; earliest use found in The Century Dictionary. From octo- + ἄκτιν-, ἀκτίς ray + -al. Compare actinal. Definition of octactinal in US English: octactinal adjective Zoology rare Having eight rays; specifically of or relating to the subclass Octocorallia (formerly called Octactiniae) of anthozoan corals whose polyps bear eight pinnate tentacles. Origin Late 19th century; earliest use found in The Century Dictionary. From octo- + ἄκτιν-, ἀκτίς ray + -al. Compare actinal.
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