soot-proof en · ADJ
Etymology
From soot + -proof.
Meanings
-
(alt-of, alternative, not-comparable) Alternative spelling of sootproof.
alt of sootproof
Splitdorf Plugs are gas-tight, soot-proof and unbreakable and never need monkeying with.
1912 December, MotorBoating: Vol. 10, No. 6, page 134: