say it: ek-spur-AY-shuhn
expiration is a noun meaning "a coming to an end of a contract period". It is pronounced /ˌɛkspɚˈeɪʃən/ — ek-spur-AY-shuhn. It carries 3 recorded senses.
euphemism
the act of expelling air from the lungs
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 expiration 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.