pneu·mon·ic 
(n-mŏnĭk, ny-)
(n-mŏnĭk, ny-)adj.
1. Of, affecting, or relating to the lungs; pulmonary.
2. Relating to, affected by, or similar to pneumonia.
[New Latin pneumonicus, from Greek pneumonikos, of the lungs, from pneumōn, lung; see pleu- in the Appendix of Indo-European roots.]