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Meaning of lean-burn | Babel Free

Adjective CEFR B2

Definitions

Of or relating to the burning of fuel with an excess of air in an internal combustion engine.

not-comparable

CEFR level

B2

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

See also

lean-witted leaner leaner and meaner leanest leanest and meanest leanish