flameproof

Resistant to catching fire.

Adjective

  1. Resistant to catching fire.
    • One hundred and fifty miles of flameproof wire have been used in the signalboxes and relay rooms. - 1952 December, “Brighton Line Resignalling, Southern Region”, in Railway Magazine, page 830:

Origin

Etymology tree English flame English -proof English flameproof From flame + -proof.

Forms

more flameproof most flameproof flame-proof

Synonyms

fireproof

Verb

  1. To make flameproof.
    • Structural timber in the roofs throughout the station has been flameproofed. - 1960 September, M. J. Wilson, “Harlow Town station opened”, in Trains Illustrated, page 542:

Forms

flameproofs flameproofing flameproofed flame-proof

Derived

flameproofer