Origin: Latin suffix -tion
Ovulation has 2 different meanings across 1 category:
the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)
"The doctor explained that tracking my basal body temperature could help me identify the exact day of ovulation when I am most likely to conceive."
The release of an ovum from an ovary.
"The doctor explained that her fertility treatments are timed to coincide with ovulation, when a mature egg is released from the ovary."