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actiniform

[ ak-tin-uh-fawrm ]
/ ækˈtɪn əˌfɔrm /
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adjective Zoology.
having a radiate form.
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Origin of actiniform

First recorded in 1835–45; actin- + -i- + -form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use actiniform in a sentence

  • The animals are actiniform, furnished with numerous cleft tentacula, in the centre of which is the polygonal mouth.

    The Ocean World:|Louis Figuier

British Dictionary definitions for actiniform

actiniform
/ (ækˈtɪnɪˌfɔːm) /

adjective
another word for actinoid

Word Origin for actiniform

C20: from actino- + -form
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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