Meaning of sootproof | Babel Free
Examples
“A spark plug⟳ which will stay⟳ sootproof and give⟳ long service in any of the Ford cylinders, must be a specially built plug⟳.”
“[…] only a sootproof plug⟳ is of any use⟳ to a Mathis owner.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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