• ___ halide
• Certain free radical
• Certain hydrocarbon
• Chemical radical
• Ethyl or propyl
• Hydrocarbon group
• Monovalent radical
• Single-bonded hydrocarbon functional group
• Type of hydrocarbon group
• Type of hydrocarbon radical
• Word with group or halide
• Any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons