Describing a chemical compound that has a dimethylamino group (-N(CH₃)₂) attached to it, often used in dyes, pharmaceuticals, and fluorescent molecules.
From dimethyl (two methyl groups) + amino (containing nitrogen from ammonia). This is a functional group descriptor—it tells you what chemical substituent is present.
The dimethylamino group is a favorite of dye chemists because it's electron-donating, making it brilliant at creating vibrant colors—many fabric dyes and highlighter inks depend on this group.
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