Definition of Abactinal

Webster's Revised Unabridged Dictionary (1913)
Abactinal
(a.)
Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to actinal.
  

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Abactinal definition was found in categories: Language, Idioms & Slang(2)  

Abactinal Definition from Language, Idioms & Slang Dictionaries & Glossaries

WordNet 2.0
abactinal

Adjective
1. (of radiate animals) located on the surface or end opposite to that on which the mouth is situated
(antonym) actinal

hEnglish - advanced version
abactinal

abactinal
\ab*ac"ti*nal\ (ăb*ăk"t&ibreve;*nal), a. [l. ab + e. actinal.] (zo?l.) pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to actinal. "the aboral or abactinal area." agassiz.