Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To swell or expand; enlarge.
  • intransitive verb To bubble up, especially from the effect of heating.

from The Century Dictionary.

  • To enlarge or expand, as with heat; swell up; become tumid.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To enlarge or expand with heat; to swell; specifically, to swell up or bubble up under the action of heat, as before the blowpipe.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb To swell or enlarge (abnormally)
  • verb To bubble up (as the result of heating)

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb expand abnormally
  • verb move upwards in bubbles, as from the effect of heating; also used metaphorically

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin intumēscere : in-, intensive pref.; see in– + tumēscere, to begin to swell, inchoative of tumēre, to swell; see teuə- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin intumēscō.

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Examples

  • The first two are evident, as when it fuses it runs into a globule; the last, by inspecting it before and after the heating with a magnifying glass; sometimes it froths up when heated, and is then said to "intumesce;" or, if it flies to fragments, "decrepitates."

    Scientific American Supplement, No. 344, August 5, 1882 Various

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

  • Upon exposure to fire, the material begins to intumesce (expand rapidly) in response to heat by beginning a process of evaporative cooling and charring on the surface of the coating.

    Processingtalk - processing industry news 2010

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