smoke proof
1 of 2noun
: a test impression of a typefounder's punch obtained by blackening it in a flame and stamping it on paper
smokeproof
2 of 2adjective
: impermeable to smoke
specifically : designed to restrict the spread of smoke through a building —used especially of a door or partition
Word History
Etymology
Noun
smoke entry 1 + proof, noun
Adjective
smoke entry 1 + proof, adjective