octane
n. நீர்மகரிமத் தொடர்மங்களில் ஒன்று.
Oc"tane, n. Etym: [See Octa-] . (Chem.) Defn: Any one of a group of metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.