1. dimethylate - Noun
2. dimethylate - Verb
dimethylate (third-person singular simple present dimethylates, present participle dimethylating, simple past and past participle dimethylated)
(organic chemistry) To add two methyl groups to a compound
dimethylate (plural dimethylates)
A dimethylated derivative of an amino acid such as lysine or arginine