Link Centre Dictionary

actinal

ac·ti·nal

uncommon

adjective

1.

(of radiate organisms) located on the surface or end on which the mouth is situated

Antonyms

Origin

From Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, “ray”) + -al. The usage was coined by Louis Agassiz (See quotations below.).

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.