1. a combining form meaning “breath, respiration,” used in the formation of compound words that denote a kind of breathing or condition of the respiratory system, as specified by the initial element: dyspnea; hyperpnea.

Origin of -pnea

<Greek -pnoia, akin to pneîn to breathe; cf. pneuma

Words Nearby -pnea

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024