Source : Webster's Revised Unabridged Dictionary (1913)

Emphysematous \Em`phy*sem"a*tous\, a. [Cf. F. emphys['e]mateux.]
   (Med.)
   Pertaining to, or of the nature of, emphysema; swelled;
   bloated.

Source : WordNet®

emphysematous
     adj : relating to or resembling or being emphysema