apyrous

As a noun terms

is .

As an adjective apyrous is

not combustible; capable of tolerating great heat without alteration of form or properties.

As a noun heat

is thermal energy.

As a verb heat

is to cause an increase in temperature of an object or space; to cause something to become hot often with "up".

As an adjective apyrous is

not combustible; capable of tolerating great heat without alteration of form or properties.

As adjectives the difference between combustible and apyrous

is that combustible is capable of burning while apyrous is not combustible; capable of tolerating great heat without alteration of form or properties.

As a noun combustible

is a material that is capable of burning.