Noun: hydroxyl hI'dr??k-silThe monovalent group -OH in such compounds as bases and some acids and alcohols - hydroxyl group, hydroxyl radicalDerived forms: hydroxylsType of: chemical group, group, radicalEncyclopedia: HydroxylNearesthydroushydroxidehydroxide ionhydroxyhydroxy acidhydroxyacetic acidhydroxybenzenehydroxybenzoic acidhydroxybutyric acidhydroxychloroquinehydroxylhydroxyl grouphydroxyl