actiniform

[ ak-tin-uh-fawrm ]

/ ækˈtɪn əˌfɔrm /

adjective Zoology.

having a radiate form.

Nearby words

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

Origin of actiniform

First recorded in 1835–45; actin- + -i- + -form

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for actiniform

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