from The American Heritage® Dictionary of the English Language, 4th Edition

  • Air; gas: pneumothorax.
  • Lung; pulmonary: pneumoconiosis.
  • Respiration: pneumograph.
  • Pneumonia: pneumococcus.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • pneum- + -o-

from the GNU version of the Collaborative International Dictionary of English

  • A combining form from Gr. �, �, a lung.

from The Century Dictionary and Cyclopedia

  • n. In the following compounds of Greek πνεύμων lung, pneumo- is short for the proper form pneumono-.


From Greek pneuma, wind, breath; and from Greek pneumōn, alteration (influenced by pneuma) of pleumōn, lung.
(American Heritage® Dictionary of the English Language, Fourth Edition)


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