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[vey-puh-rahyz] /ˈveɪ pəˌraɪz/
verb (used with object), vaporized, vaporizing.
to cause to change into vapor.
verb (used without object), vaporized, vaporizing.
to become converted into vapor.
to indulge in boastful talk; speak braggingly.
Also, especially British, vaporise.
Origin of vaporize
1625-35; vapor + -ize
Related forms
vaporizable, adjective
revaporize, verb, revaporized, revaporizing.
unvaporized, adjective
Can be confused Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for vaporise
Historical Examples
  • The heat supplied to the chamber must be sufficient to vaporise the oil, but not great enough to decompose it.

  • You may fuse iron, vaporise water, intermix the gases; but the molecules of all change little in such metamorphosis.

    The Crack of Doom Robert Cromie
British Dictionary definitions for vaporise


to change or cause to change into vapour or into the gaseous state
to evaporate or disappear or cause to evaporate or disappear, esp suddenly
to destroy or be destroyed by being turned into a gas as a result of extreme heat (for example, generated by a nuclear explosion)
Derived Forms
vaporizable, vaporisable, adjective
vaporization, vaporisation, noun
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
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Word Origin and History for vaporise



1630s, from vapor + -ize. Originally "smoke tobacco;" later "convert into vapor" (1803), and "spray with fine mist" (1900). Related: Vaporized; vaporizing.

Online Etymology Dictionary, © 2010 Douglas Harper
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vaporise in Medicine

vaporize va·por·ize (vā'pə-rīz')
v. va·por·ized, va·por·iz·ing, va·por·iz·es
To convert or be converted into a vapor.

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