WordReference Random House Unabridged Dictionary of American English © 2026
sper•mi•o•gen•e•sis
(spûr′mē ō jen′ə sis),USA pronunciation n. [Cell Biol.]
sper•mi•o•ge•net•ic
(spûr′mē ō jə net′ik),USA pronunciation adj.
- Developmental Biologythe development of a spermatozoon from a spermatid.
- Neo-Latin spermi-, combining form of sperma sperm1 + -o- + genesis
- 1915–20;