Last Updated：2025/11/29

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

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lean-burn

Source Word

lean-burn

Adjective

not-comparable

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

Japanese Meaning

内燃機関において、燃料を空気過剰状態で燃焼させる燃焼方式に関する

The lean-burn engine achieved better fuel efficiency on the highway.

希薄燃焼方式のエンジンは高速道路で燃費が向上した。

Sense（1）

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