expiratory
ex·pi·ra·to·ry
adj\ik-ˈspī-rə-ˌtōr-ē, ek-, -ˌtȯr-; ˈek-sp(ə-)rə-\
Definition of EXPIRATORY
: of, relating to, or employed in the expiration of air from the lungs <expiratory muscles> <an expiratory cough>
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