-pnea

(redirected from pneo-)
Also found in: Medical.

-pnea

or -pnoea,

a combining form meaning “breath, respiration,” used esp. to form nouns denoting a kind of breathing or condition of the respiratory system, as specified by the initial element: dyspnea; hyperpnea.
[< Greek -pnoia, akin to pneîn to breathe]