Hexyl :: Hexyl (n.) A compound radical, C6H13, regarded as the essential residue of hexane, and a related series of compounds..
Hexylene :: Hexylene (n.) A colorless, liquid hydrocarbon, C6H12, of the ethylene series, produced artificially, and found as a natural product of distillation of certain coals; also, any one several isomers of hexylene proper. Called also hexene..
Hexylic :: Hexylic (a.) Pertaining to, or derived from, hexyl or hexane; as, hexylic alcohol..