Longman Dictionary of Contemporary English
heatproof
adjective
EXAMPLES FROM CORPUS
▪ Drain well and place on a heatproof platter.
▪ If cooking in a pan, transfer the mixture to a heatproof dish.
▪ Place ginger in a heatproof glass jar or ceramic bowl.
▪ Place in a heatproof dish and sprinkle the grated cheese over the top.
▪ Pour pan contents into heatproof sieve over a bowl.
▪ Put them in a heatproof dish.
Wiktionary
heatproof
insulating and incombustible v
(context transitive English) To make insulating and incombustible.
Usage examples of "heatproof".
Norla watched as the flames ate in toward the heatproof viewports, scouring away the loathsome growth that had blocked her view and letting her see again.