Webster’s Revised Unabridged Dictionary · 1913
Magenta
Ma·gen′ta (mȧ·jĕn′tȧ), n. (Chem.) An aniline dye obtained as an amorphous substance having a green bronze surface color, which dissolves to a shade of red; also, the color; — so called from Magenta, in Italy, in allusion to the battle fought there about the time the dye was discovered. Called also fuchsine, roseïne, etc.