单词 isooctane 释义 isooctane|askten|Also iso-octane.[f. iso- + octane.]†a. 2-Methylheptane, CH3(CH2)4CH(CH3)CH3, a liquid hydrocarbon that occurs in petroleum. Obs.1909L. Clarke in Jrnl. Amer. Chem. Soc. XXXI. 107 In this paper are described the prepar...