noun🔗ShareПентилAny 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. "Химическая формула пентильной группы, присоединенной к этой молекуле, — C5H11.compoundchemistrysubstancetechnicalChat with AIVocabulary GamePractice Reading