"formation or production of ova or ovules; discharge of an ovum from the ovary," 1848, from Modern Latin ōvulum (see ovule) + noun ending -ation.
Entries linking to ovulation
ovule n.
"a little egg," especially one not yet matured and discharged from the ovary of a female mammal, 1821, from French ovule and directly from Modern Latin ōvulum, literally "small egg," diminutive of Latin ōvum "egg" (see ovum).