noun🔗Share戊烷 An aliphatic hydrocarbon of chemical formula C5H12; either of the three isomers n-pentane, methyl-butane (isopentane), and di-methyl-propane (neopentane); volatile liquids under normal conditions."The lab technician carefully measured out a small amount of pentane for the experiment. "实验室技术员小心地量取了少量的戊烷用于实验。compoundsubstancechemistryfuelChat with AIVocabulary GamePractice Reading