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Webster 1913 Edition

Adj.

[Gr. [GREEK] disk + [GREEK] to grow.]

(Biol.)

Applied to a form of egg cleavage seen in osseous fishes, which occurs only in a small disk that separates from the rest of the egg.

discoblastic ‎(not comparable)

(biology) Having a form of egg cleavage where only a small disc separates from the rest of the egg, associated with osseous fishes.