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13 Essential Literary Terms

inhalation

[in-huh-ley-shuh n] /ˌɪn həˈleɪ ʃən/
noun
1.
an act or instance of inhaling.
2.
an inhalant.
Origin
1615-1625
1615-25; inhale + -ation
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for in-halation

inhalation

n.

1620s, noun of action from past participle stem of Latin inhalare (see inhale).

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

inhalation in·ha·la·tion (ĭn'hə-lā'shən)
n.

  1. The act or an instance of inhaling.

  2. A solution of a drug or a combination of drugs administered to the respiratory passages as a nebulized mist.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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in-halation in Science
inhalation
  (ĭn'hə-lā'shən)   
The act of taking in breath. Inhalation results from the negative pressure in the lungs caused by contraction of the diaphragm, which causes it to move downwards and to expand the chest cavity. The resulting flow of air into the lungs restores a pressure equal to that of the atmosphere. Also called inspiration. Compare exhalation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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