Definition of lean-burn in English:

lean-burn

Syllabification: lean-burn

adjective

  • Of or relating to an internal combustion engine designed to run on a lean mixture to reduce pollution: lean-burn technology
    More example sentences
    • They have been proven to go beyond the lean-burn limit of a standard spark ignition.
    • The main difficulties came from the variability between cylinders, which was amplified during lean-burn operation.
    • Such diesel engines and ‘lean-burn’ petrol engines are more economical than conventional engines.

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Word of the day milord
Pronunciation: mɪˈlɔːd
noun
used to address an English nobleman