from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The formation, development, and maturation of an ovum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The formation and development of an ovum.
from the GNU version of the Collaborative International Dictionary of English
- n. The development, or mode of origin, of the ova.
from The Century Dictionary and Cyclopedia
- n. The genesis or origin and development of the ovum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. development of ova
oo- + -genesis (Wiktionary)