The Collaborative International Dictionary
Respirability
Respirability \Re*spir`a*bil"i*ty\ (r?*sp?r`?*b?l"?*t? or r?s`p?*r?-), n. [Cf. F. respirabilit?.] The quality or state of being respirable; respirableness.
Wiktionary
respirability
n. The quality or state of being respirable.