Verb: intumesce ,in-too'mes or ,in-tyû'mes [N. Amer], ,in-tyû'mes [Brit]
- Expand abnormally
"The chemical reaction caused the mixture to intumesce";
- swell, swell up, tumefy, tumesce, puff
- Move upwards in bubbles, as from the effect of heating; also used metaphorically
"Gases intumesced from the earth";
- bubble up
Derived forms: intumesced, intumesces, intumescing