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pneumono-

  1. a combining form meaning “lung,” used in the formation of compound words: pneumonoconiosis.
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Also pneumo-; especially before a vowel, pneumon-.

Origin of pneumono-

combining form representing Greek pneúmōn lung
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for pneumono-

before vowels pneumon-, word-forming element meaning "lung," from comb. form of Greek pneumon (genitive pneumonos "lung" (see pneumonia).

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Online Etymology Dictionary, © 2010 Douglas Harper

pneumono- in Medicine

pneumono-

pref.
  1. Lung; pulmonary:pneumonotomy.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.