noun, noun which may take the genitive case particle 'no'
incombustible; nonflammable
Refers to materials that do not burn; often used in waste classification (不燃ごみ).
Please put out non-burnable trash on Monday.
この建材は不燃性が高い。
This building material has high incombustibility.
non-combustible waste; incombustible item
fireproofing treatment; making fireproof
non-flammability; incombustibility
non-burnable waste; non-combustible rubbish
Compound of 不 (non-) and 燃 (burn), literally 'not burning'. The reading ふねん follows standard on'yomi.