Medical Dictionary

expire

verb ex·pire
\ik-ˈspī(ə)r, usually for intransitive verb 2 and transitive verb ek-\
ex·piredex·pir·ing

Definition of EXPIRE

intransitive verb
1
:  to breathe one's last breath :  die
2
:  to emit the breath
transitive verb
:  to breathe out from or as if from the lungs <the basal metabolism test…measures the amount of carbon dioxide expired by the lungs—J. D. Ratcliff>
March 28, 2015
persiflage Hear it
Frivolous bantering talk
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears