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verb-intransitive. To swell or expand; enlarge.

verb-intransitive. To bubble up, especially from the effect of heating.

v. To swell or enlarge (abnormally)

v. To bubble up (as the result of heating)

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

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

v. expand abnormally

v. move upwards in bubbles, as from the effect of heating; also used metaphorically

"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.""

intumesced    intumesces    intumescing   

rise up    come up    surface    rise   

intumescency    intumescent    intumescence   

intumesced    intumescing   

swell    dilate    inflate