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actinal

[ ak-tuh-nl, ak-tahyn-l ]
/ ˈæk tə nl, ækˈtaɪn l /
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adjective Zoology.

having tentacles or rays.
pertaining to the oral area from which the arms or tentacles radiate.

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Origin of actinal

1857; actin- + -al1; coined, with sense of def. 2, by Louis Agassiz
ac·ti·nal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for actinal

actinal
/ (ˈæktɪnəl, ækˈtaɪnəl) /

adjective

of or denoting the oral part of a radiate animal, such as a jellyfish, sea anemone, or sponge, from which the rays, tentacles, or arms grow
possessing rays or tentacles, as a jellyfish
actinally, adverb
C19: see actino-, -al 1
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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