non-combustible
non-combustible — adjective
1. describes a material or substance that does not catch fire or burn when placed n
describes a material or substance that does not catch fire or burn when placed near a flame or exposed to high temperatures
Anong checked the label and confirmed the roof insulation was non-combustible.
non-combustible + noun (insulation) with linking verb
The safety officer asked whether the new cladding panels were non-combustible.
question form: whether + [item] + non-combustible
Tamás chose non-combustible floor tiles for the kitchen area near the gas stove.
A non-combustible fire blanket always covered the welding equipment during breaks.
Building regulations in Japan require non-combustible cladding on all new high-rise towers.
- fireproof
broader in everyday use; suggests something can withstand fire but may not be chemically non-combustible
- fire-resistant
weaker in meaning — slows fire but may still burn under extreme conditions
- incombustible
formal synonym, far less common in modern English
- combustible
direct opposite — able to catch fire and burn
- flammable
common opposite; easily set on fire
文法句型
non-combustible + noun
be + non-combustible
用法筆記
Most common in technical and safety contexts, especially building codes and fire-prevention guidelines. The opposite is combustible.