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Learner's Dictionary
expiration
2 ENTRIES FOUND:
expiration
(noun)
expiration date
(noun)
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expiration
/ˌɛkspə
ˈ
reɪʃən/
noun
expiration
/ˌɛkspə
ˈ
reɪʃən/
noun
Learner's definition of EXPIRATION
[
noncount
]
1
:
the fact of coming to an end or no longer being valid after a period of time
:
the fact of expiring
the patent's
expiration
one month after the
expiration
of the contract
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2
medical
:
the act of breathing out
inhalation and
expiration
[=
exhalation
]
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