26984 words

expiration

4 definitions • 6 examples
1
the situation in which something that lasts for a fixed length of time comes to an end or stops being in use:

Examples:

the expiration of a lease/visa
expiration date What is the expiration date of your credit card? (= What is the last date on which it can be used?)
2
the act of breathing out:

Examples:

During normal breathing, expiration is passive and no muscles are contracted.
Breath intake and expiration were mostly active only in the upper half of her chest.
3
the end of a period of time during which an agreement or official document can be used:

Examples:

He stayed on past the expiration of his tourist visa.
4
→

Examples:

Trading was brisk as the quarterly expiration of options and futures spurred demand for shares.

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