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Meaning of WD-40 | Babel Free

Noun CEFR B1

Definitions

A penetrating oil used as a universal solvent, a lubricant and to protect electric circuits from moisture.
Anything or anyone that has many different uses.
broadly, idiomatic

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

WDA WDC WDDX WDI WDL WDM