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pneumato-

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  1. a combining form meaning “air,” “breath,” “spirit,” used in the formation of compound words: pneumatology; pneumatophore.
Also pneumo-; especially before a vowel, pneumat-

Origin of pneumato-

< Greek, combining form of pneûma; see pneuma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for pneumato-

pneumato-

combining form
  1. air; breath or breathing; spiritpneumatophore; pneumatology

Word Origin

from Greek pneuma, pneumat-, breath; see pneuma
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pneumato-

before vowels pneumat-, word-forming element meaning "wind, air, spirit, presence of air," from comb. form of Greek pneuma (genitive pneumatos); see pneuma.

Online Etymology Dictionary, © 2010 Douglas Harper
pneumato- in Medicine

pneumato-

pref.
  1. Air; gas:pneumatocardia.
  2. Breath; respiration:pneumatograph.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.