sootproof

S1O1O1T1P3R1O1O1F4

adjective

Resistant to soot.

Scrabble 14
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Meanings

adjectivesootproof (not comparable)

alternative soot-proof

  1. not comparableResistant to soot.

    […] only a sootproof plug is of any use to a Mathis owner.

    1914, The Autocar: Volume 33, London: Iliffe, Sons & Sturmey Limited, page 648
    1 more example

    A spark plug which will stay sootproof and give long service in any of the Ford cylinders, must be a specially built plug.

    1921, Chilton's Motor Age: Volume 39, Part 2, Chilton Company, page 128

Origin

From soot + -proof.

Full word history & related roots →
Cite this entry
APA

sootproof. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sootproof

MLA

“sootproof.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sootproof. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “sootproof,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sootproof.

Source: sootproof on Wiktionary, CC BY-SA 4.0.