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Webster 1913 Edition

Abactinal

Ab-ac′ti-nal

(ăb-ăk′tĭ-nal)
,
Adj.
[L.
ab
+ E.
actinal
.]
(Zool.)
Pertaining to the surface or end opposite to the mouth in a radiate animal; – opposed to
actinal
.
“The aboral or abactinal area.”
L. Agassiz.

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