Hypertext Webster Gateway: "expiratory"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Expiratory \Ex*pir"a*to*ry\, a. (Physiol.)
Pertaining to, or employed in, the expiration or emission of
air from the lungs; as, the expiratory muscles.
From WordNet (r) 1.7 (wn)
expiratory
adj : relating to the breathing out phase of respiration
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