noun
basic dye
Technical term in chemistry and dyeing; refers to dyes that are cationic and typically used for acrylic fibers, paper, and leather.
アクリル繊維の染色には塩基性染料がよく使われる。
Basic dyes are often used for dyeing acrylic fibers.
Compound of 塩基 (base, alkali) + 性 (-ic, -like) + 染料 (dye). The term directly translates the English 'basic dye'.