vapor
[ vey-per ]
/ ˈveɪ pər /
noun
verb (used with object)
to cause to rise or pass off in, or as if in, vapor; vaporize.
Archaic. to affect with vapors; depress.
verb (used without object)
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Nearby words
vape, vape pen, vaphio, vapid, vapidly, vapor, vapor barrier, vapor lock, vapor pressure, vapor tension, vapor trail
Also especially British, va·pour.
Origin of vapor
1325–75; Middle English vapour < Latin vapor steam
Related forms
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for vapor
British Dictionary definitions for vapor
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
Medicine definitions for vapor
vapor
[ vā′pər ]
n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for vapor
vapor
[ vā′pər ]
The gaseous state of a substance that is normally liquid or solid at room temperature, such as water that has evaporated into the air. See more at vapor pressure. See also water vapor.
A faintly visible suspension of fine particles of matter in the air, as mist, fumes, or smoke.
A mixture of fine droplets of a substance and air, as the fuel mixture of an internal-combustion engine.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.