The Collaborative International Dictionary of English v.0.48:

Phthisipneumonia \Phthis`ip*neu*mo"ni*a\, Phthisipneumony
\Phthis`ip*neu"mo*ny\, n. [NL. See Phthisis, Pneumonia.]
   (Med.)
   Pulmonary consumption; tuberculosis of the lungs. [obs.]
   [1913 Webster + PJC]