intumesce
41rise up — verb 1. come to the surface (Freq. 4) • Syn: ↑surface, ↑come up, ↑rise • Derivationally related forms: ↑rise (for: ↑rise), ↑surface …
42intumescent paint — noun Fire retardant paint that on exposure to heat swells to form an insulating barrier that protects the underlying surface • • • Main Entry: ↑intumesce …