intumescent
adjective
1. abnormally distended especially by fluids or gas
noun
1. Any substance that swells on exposure to heat, thus increasing in volume and decreasing in density.
- Intumescents are used in some fire protection systems.
1. abnormally distended especially by fluids or gas
1. Any substance that swells on exposure to heat, thus increasing in volume and decreasing in density.
- Intumescents are used in some fire protection systems.