[ vey-puh-rahyz ]
/ ˈveɪ pəˌraɪz /

verb (used with object), va·por·ized, va·por·iz·ing.

to cause to change into vapor.

verb (used without object), va·por·ized, va·por·iz·ing.

to become converted into vapor.
to indulge in boastful talk; speak braggingly.
Also especially British, va·por·ise.

Origin of vaporize

First recorded in 1625–35; vapor + -ize

Related forms

va·por·iz·a·ble, adjectivere·va·por·ize, verb, re·va·por·ized, re·va·por·iz·ing.un·va·por·ized, adjective

Can be confused

evanesce evaporate liquefy melt thaw transpire vaporize Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vaporise

  • 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
  • The heat supplied to the chamber must be sufficient to vaporise the oil, but not great enough to decompose it.

British Dictionary definitions for vaporise



/ (ˈveɪpəˌraɪz) /


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 or vaporisable, adjectivevaporization or 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

Medicine definitions for vaporise


[ vāpə-rīz′ ]


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.