intumescent
/ɪntuːˈmɛsənt/
adjective
- Tending to swell or expand when heated, often used to describe fire-resistant materials.
- Builders use intumescent seals around doors to stop smoke from spreading.
- This intumescent coating can withstand high temperatures for hours.
- The intumescent paint swells to protect the wall from fire.
- Swollen or enlarged in form.
- The intumescent tissue around the wound indicated healing.
- An intumescent growth appeared on the old oak tree.
- The intumescent leaves of the succulent store water.
Synonyms