A hydrocarbon group e.g. methyl (CH3), ethyl (C2H5) etc.

General term for a group of covalently linked carbon and hydrogen atoms such as methyl ( - CH) or ethyl ( - CH CH) groups; these groups can be formed by removing a hydrogen atom from an alkane.

A functional group having the formula ... which may be attached to certain elements such as lead, silicon, or to other organic chemicals.