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Meaning of scum valve | Babel Free

Noun CEFR B2

Definitions

A blowdown valve mounted at the water level of a boiler, used to blow down lighter oily or foamy deposits that float on the water.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

scumbag scumbaggery scumbagginess scumball scumber scumbitch