English | Portuguese |
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octane [octanes] (isomeric aliphatic hydrocarbons) noun [UK: ˈɒk.teɪn] [US: ˈɑːk.ten] | octanonoun |
octane number (measure of the antiknock properties of an automobile fuel) noun [UK: ˈɒk.teɪn ˈnʌm.bə(r)] [US: ˈɑːk.ten ˈnʌm.br̩] | octanagemnoun |