noun🔗Share戊基 Any of several isomeric univalent hydrocarbon radicals, C5H11, formally derived from pentane by the loss of a hydrogen atom."The chemical formula for the pentyl group attached to that molecule is C5H11. "连接到那个分子的戊基的化学式是C5H11。compoundchemistrysubstancetechnicalChat with AIVocabulary GamePractice Reading