WordReference Random House Unabridged Dictionary of American English © 2025
o•o•go•ni•um
(ō′ə gō′nē əm),USA pronunciation n., pl. -ni•a (-nē ə),USA pronunciation -ni•ums. [Biol.]
o′o•go′ni•al adj.
- Developmental Biologyone of the undifferentiated germ cells giving rise to oocytes.
- Developmental Biology, Fungithe one-celled female reproductive organ in certain thallophytes, usually a more or less spherical sac containing one or more eggs.
- Neo-Latin; see oo-, -gonium
- 1865–70
'oogonium' also found in these entries (note: many are not synonyms or translations):