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Meaning of back boiler | Babel Free

Noun CEFR B2

Definitions

a boiler that supplies a central heating and hot water system and is fitted into a fireplace recess, normally behind a gas fire
a similar boiler, that just supplies hot water, fitted behind an open fire or in a range.

CEFR level

B2

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

See also

back buffer back burn back burner back catalog back catalogue back channel