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expiration

Pronunciation: /ˌɛkspɪˈreɪʃ(ə)n/

Translate expiration | into Italian
Definition of expiration

noun

[mass noun]
  • 1North American the ending of the fixed period for which a contract is valid:the expiration of the lease
  • the end of a period of time:the expiration of three years
  • 2 technical the exhalation of breath from the lungs: at the end of expiration there is still a slight inflation in the lungs

Origin:

late Middle English (denoting a vapour or exhalation): from Latin exspiratio(n-), from the verb exspirare (see expire)

expiration in other Oxford dictionaries

Definition of expiration in the US English dictionary

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