Dictionary.com

actinal

[ ak-tuh-nl, ak-tahyn-l ]
/ ˈæk tə nl, ækˈtaɪn l /
Save This Word!

adjective Zoology.

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

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of actinal

1857; actin- + -al1; coined, with sense of def. 2, by Louis Agassiz

OTHER WORDS FROM actinal

ac·ti·nal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for actinal

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

Derived forms of actinal

actinally, adverb

Word Origin for actinal

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
See Today's Synonym