HEATPROOF
17
Scrabble
17
WWF
H(4) E(1) A(1) T(1) P(3) R(1) O(1) O(1) F(4)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
verb
- To make insulating and incombustible.
adjective
- Insulating and incombustible
Source: Wiktionary
