sootproof en · ADJ
Etymology
From soot + -proof.
Meanings
-
(not-comparable) Resistant 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: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:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| soot-proof | alternative | lexicographic |