Definition of EXPIRATION

the act of ceasing to exist <directed that upon her expiration her splendid Italian-style villa be given to the public as a museum>
the stopping of a process or activity <with the expiration of all brain activity there was no point in keeping the patient alive>
the permanent stopping of all the vital bodily activities <the cancer patient passed away sometime during the night, the exact moment of her expiration not being known>
Antonyms birth, nativity

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