pneumatic

[noo-mat-ik, nyoo-]
adjective
1.
of or pertaining to air, gases, or wind.
2.
of or pertaining to pneumatics.
3.
operated by air or by the pressure or exhaustion of air: a pneumatic drill.
4.
filled with or containing compressed air, as a tire.
5.
equipped with pneumatic tires.
6.
Theology. of or pertaining to the spirit; spiritual.
7.
Zoology. containing air or air cavities.
noun
8.
a pneumatic tire.
9.
a vehicle having wheels with such tires.

Origin:
1650–60; < Latin pneumaticus < Greek pneumatikós pertaining to air, breath or wind, spiritual, equivalent to pneumat- (stem of pneûma; see pneuma) + -ikos -ic

pneumatically, adverb
pneumaticity [noo-muh-tis-i-tee, nyoo-] , noun
nonpneumatic, adjective
nonpneumatically, adverb
semipneumatic, adjective
unpneumatic, adjective
unpneumatically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
pneumatic (njʊˈmætɪk)
 
adj
1.  Compare hydraulic of or concerned with air, gases, or wind
2.  (of a machine or device) operated by compressed air or by a vacuum: a pneumatic drill; pneumatic brakes
3.  containing compressed air: a pneumatic tyre
4.  of or concerned with pneumatics
5.  theol
 a.  of or relating to the soul or spirit
 b.  of or relating to the Holy Ghost or other spiritual beings
6.  (of the bones of birds) containing air spaces which reduce their weight as an adaptation to flying
7.  informal (of a woman) well rounded, esp with a large bosom
 
n
8.  short for pneumatic tyre
 
[C17: from Late Latin pneumaticus of air or wind, from Greek pneumatikos of air or breath, from pneuma]
 
pneu'matically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

pneumatic
1659, from L. pneumaticus "of the wind, belonging to the air," from Gk. pneumatikos, from pneuma (gen. pneumatos) "wind," also "breath," from pnein "to blow, to breathe," from PIE base *pneu- "to breathe," of imitative origin.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

pneumatic pneu·mat·ic (nōō-māt'ĭk, nyōō-)
adj.

  1. Of or relating to air or other gases.

  2. Relating to respiration.

  3. Relating to a structure that is filled with air.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
pneumatic   (n-māt'ĭk)  Pronunciation Key 
  1. Relating to gases, especially air.

  2. Filled with or operated by compressed air. Pneumatic machines often involve the transmission of force through air pressure in pipes or tubes. See also hydraulic.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
To determine an ear infection, the doctor should always use a pneumatic
  otoscope.
Then, using a syringe or a pneumatic spray, the surgeon squirts the cells on to
  the wound.
Miners use pneumatic drills now with their hammers and chisels.
Typical braking figures for road vehicles on pneumatic tyres are about five
  eighths g.
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