noun🔗SharePentyleAny 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. "La formule chimique du groupe pentyle attaché à cette molécule est C5H11.compoundchemistrysubstancetechnicalChat with AIVocabulary GamePractice Reading