noun. any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons.
1. Noun, singular or mass This solution is based on alkyl and aryl hydrocarbons, which are derived from petroleum and clean as well as polish. 2. Adjective Containing phenolic substances, such as alkyl catechols or alykl resorcinols, that may be insoluble in water, contact with the sap can cause contact dermatitis. 3. Verb, 3rd person singular present Add alkyl alcohol to the frother cell, which will stabilize the froth layer.