intumesce

Updated: May 28, 2025

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."

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