a. [ L. irrespirabilis: cf. F. irrespirable. See Respirable. ] Unfit for respiration; not having the qualities necessary to support animal life; as, irrespirable air. [ 1913 Webster ]
a. [ Cf. F. respirable. ] Suitable for being breathed; adapted for respiration. -- Re*spir"a*ble*ness, n. [1913 Webster]