|Also called: crystal violet a greenish crystalline substance, obtained from rosaniline, that forms a violet solution in water, used as an indicator, antiseptic, and in the treatment of burns|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
gentian violet gen·tian violet (jěn'shən)
Any of several basic dyes that are derivatives of pararosaniline, especially a dark green or greenish mixture that is used as a biological stain and as a bactericide, a fungicide, and an anthelmintic.