say it: oh-vyuh-LAY-shuhn
ovulation is a noun meaning "the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)". It carries one recorded sense.
the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for ovulation come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.