"Dyes" Natural Recordings by Native Speakers
Dyes are substances that change the color of an object or material by absorbing or reflecting certain wavelengths of light. They are typically used to color fabrics, hair, and other materials.
Dyestuffs refer to substances used to impart color to textiles, papers, and other materials. These can be natural or synthetic substances, and they are typically used in the manufacturing process to produce the desired shade or hue. Dyestuffs can be classified into different categories, including acidic, basic, direct, reactive, and vat dyestuffs.