lean-burn engine

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Definition of lean-burn engine words

noun lean-burn engine an engine designed to use a lean mixture of fuel and air in order to reduce petrol consumption and exhaust emissions 0

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 89% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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