any of a series of univalent groups of the general formula CnH2n+1, derived from aliphatic hydrocarbons, as the methyl group, CH3−, or ethyl group, C2H5−.
- Also called alkyl radical.
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How to use alkyl group in a sentence
By heating with phosphorus pentachloride an alkyl group is eliminated and a chlorcarbonic ester formed.
The hydrogen in the hydroxyl group, as is known, may be substituted by an alkyl group.Scientific American Supplement No. 822 | Various