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[eks-heyl, ek-seyl] /ɛksˈheɪl, ɛkˈseɪl/
verb (used without object), exhaled, exhaling.
to emit breath or vapor; breathe out.
to pass off as vapor; pass off as an effluence.
verb (used with object), exhaled, exhaling.
to breathe out; emit (air, vapor, sound, etc.):
to exhale a sigh.
to give off as vapor:
The engine exhaled steam.
to draw out as a vapor or effluence; evaporate.
Origin of exhale
1350-1400; Middle English exalen < Latin exhālāre, equivalent to ex- ex-1 + hālāre to breathe
Related forms
unexhaled, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for exhale


/ɛksˈheɪl; ɪɡˈzeɪl/
to expel (breath, tobacco smoke, etc) from the lungs; breathe out
to give off (air, vapour, fumes, etc) or (of air, vapour, etc) to be given off; emanate
Derived Forms
exhalable, adjective
exhalation, noun
Word Origin
C14: from Latin exhālāre to breathe out, from hālāre to breathe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for exhale

c.1400, from Middle French exhaler (14c.), from Latin exhalare "breathe out, evaporate," from ex- "out" (see ex-) + halare "breathe." Related: Exhaled; exhaling.

Online Etymology Dictionary, © 2010 Douglas Harper
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exhale in Medicine

exhale ex·hale (ěks-hāl', ěk-sāl')
v. ex·haled, ex·hal·ing, ex·hales

  1. To breathe out.

  2. To emit a gas, vapor, or odor.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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