ジメチルアミノMeanings1noun-modifying (irregular)dimethylaminochemistryChemistry term used as a prenominal modifier, as in ジメチルアミノ基 (dimethylamino group).ジメチルアミノ基きは有ゆう機き合ごう成せいでよく使つかわれる官かん能のう基きです。The dimethylamino group is a functional group often used in organic synthesis.