noun🔗Shareペンタン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. "実験のため、実験技師は少量のペンタンを慎重に測りました。compoundsubstancechemistryfuelChat with AIVocabulary GamePractice Reading
