Hypertext Webster Gateway: "respiratory"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Respiratory \Re*spir"a*to*ry\ (r?*sp?r"?*t?*r? or r?s"p?*r?-),
a. (Physiol.)
Of or pertaining to respiration; serving for respiration; as,
the respiratory organs; respiratory nerves; the respiratory
function; respiratory changes.
{Respiratory foods}. (Physiol.) See 2d Note under {Food}, n.,
1.
{Respiratory tree} (Zo["o]l.), the branched internal gill of
certain holothurians.
From WordNet (r) 1.7 (wn)
respiratory
adj : pertaining to respiration; "respiratory assistance"
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