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The octane number of this gasoline determines how resistant it is to engine knocking under high compression.
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The octane number of this gasoline determines how resistant it is to engine knocking under high compression.
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Related words
octane number
Noun
Japanese Meaning
オクタン価：自動車用燃料のノック（異常燃焼）防止特性を数値的に表した指標。例えば、異性体オクタン（isooctane）が基準となり、異性体オクタン100に相当する燃料、または90%の異性体オクタンと10%のヘプタンの混合物によりオクタン価90とされる燃料がある。
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