actinal

== English == === Etymology === From Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, “ray”) +‎ -al. The usage was coined by Louis Agassiz (See quotations below.). === Adjective === actinal (zoology) Pertaining to the side or surface around the mouth in an animal that has radial symmetry such as a starfish. Antonym: abactinal (zoology) Pertaining to the axis of rotational symmetry in radiate animals. ==== Derived terms ==== === See also === abactinal === Anagrams === alicant, antical