the natural colouring matter of animal or plant tissue
色素,颜料。
a substance used for colouring or painting, especially a dry powder, which when mixed with oil, water, or another medium constitutes a paint or ink
涂料(通常为粉状,混在油、水或另一溶剂中作油漆或颜料)。
colour (something) with or as if with pigment
给…着色,给… 染色,染。
"Middle English, from Latin