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

Words nearby actiniform

actinic granuloma, actinic keratosis, actinic ray, actinide, actinide series, actiniform, actinin, actinism, actinium, actinium series, actino-

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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