heatproof

== English == === Etymology === From heat +‎ -proof. === Adjective === heatproof (comparative more heatproof, superlative most heatproof) insulating and incombustible ==== Translations ==== === Verb === heatproof (third-person singular simple present heatproofs, present participle heatproofing, simple past and past participle heatproofed) (transitive) To make insulating and incombustible.