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fireproof

adjective
 
 
/ˈfaɪə.pruːf/ US  /ˈfaɪr-/

Definition

unable to be damaged by fire: She keeps all her important papers in a fireproof safe.Preventing and impedingLimiting and restrictingFire serviceFire and flame
(Definition of fireproof adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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