pref. 1. Air; gas: pneumothorax. 2. Lung; pulmonary: pneumoconiosis. 3. Respiration: pneumograph. 4. Pneumonia: pneumococcus. [From Greek pneuma, wind, breath; see pneu- in the Appendix of Indo-European roots, and from Greek pneumōn, alteration (influenced by pneuma) of pleumōn, lung; see pleu- in the Appendix of Indo-European roots.] |
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