soot-proof

English

Etymology

soot +‎ -proof

Adjective

soot-proof (not comparable)

1. Alternative spelling of sootproof.
   • 1912 December, MotorBoating: Vol. 10, No. 6‎^[1], page 134:

     Splitdorf Plugs are gas-tight, soot-proof and unbreakable and never need monkeying with.