The Collaborative International Dictionary
Discoblastic
Discoblastic \Dis`co*blas"tic\, a. [Gr. ? disk + ? 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. [1913 Webster] ||
Wiktionary
discoblastic
a. (context biology English) Having a form of egg cleavage where only a small disc separates from the rest of the egg, associated with osseous fishes.