incombustible

Từ điển Oxford Learners Wordfinder Dictionary

adjective

not capable of igniting and burning
• Syn:
noncombustible
• Ant:
combustible (for: noncombustible)
• Similar to:
fireproof, fire-retardant, fire-resistant, fire-resisting, fire-resistive,
flameproof, flame-retardant, nonflammable