lean-burn
Of or relating to the burning of fuel with an excess of air in an internal combustion…Of or relating to the burning of fuel with an excess of air in an internal combustion engine.
Meaning
1 senses(not comparable)Of or relating to the burning of fuel with an excess of air in an internal combustion engine.
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.