Expiration



[ek-spuh-rey-shuh n] /ˌɛk spəˈreɪ ʃən/

noun
1.
a coming to an end; termination; close:
the expiration of a contract.
2.
the act of , or breathing out; emission of air from the lungs.
3.
Archaic. .
/ˌɛkspɪˈreɪʃən/
noun
1.
the finish of something; ending; expiry
2.
the act, process, or sound of breathing out
3.
(rare) a last breath; death
n.

early 15c., “vapor, breath,” from Middle French expiration, from Latin expirationem/exspirationem (nominative expiratio/exspiratio), noun of action from past participle stem of expirare/exspirare (see expire). Meaning “termination, end, close” is from 1560s.

expiration ex·pi·ra·tion (ěk’spə-rā’shən)
n.
See exhalation.
expiration
(ěk’spə-rā’shən)
See exhalation.

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  • Expiratory

    [ik-spahyuh r-uh-tawr-ee, -tohr-ee] /ɪkˈspaɪər əˌtɔr i, -ˌtoʊr i/ adjective 1. pertaining to the of air from the lungs. /ɪkˈspaɪərətərɪ; -trɪ/ adjective 1. relating to the expulsion of air from the lungs during respiration expiratory ex·pi·ra·to·ry (ĭk-spī’rə-tôr’ē) adj. Of, relating to, or involving the expiration of air from the lungs.



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