Last Updated
：2025/11/22
cetane number
Noun
Japanese Meaning
ディーゼル燃料の性能評価指標。混合燃料中のセタンと、性能が同等とされるイソセタン（またはかつてはメチルナフタレン）との混合比率に基づき、燃料の始動性や燃焼性能を示す数値。
（ plural ）
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A performance rating of diesel fuel corresponding to the percentage of cetane in a mixture with isocetane (or, formerly, methylnaphthalene) that would have the same performance.
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cetane number
Engineers measured the cetane number of the biodiesel to ensure its ignition quality matched engine requirements.
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Engineers measured the cetane number of the biodiesel to ensure its ignition quality matched engine requirements.
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