coloring matter meaning in English

染料
着色剂

Research on the extraction of tomoto red coloring matter
萃取法提取蕃茄红色素的初步研究
Extraction of gardenia coloring matter and its dyeing properties on silk
栀子色素的提取及其在真丝上的染色性能
Technology on extracting natural edible coloring matter form torch pine seed pinus taeda
火炬树果实提取天然食用色素技术研究
A liquid in which pigment is mixed to form paint ; a type of paint of coloring matter used in painting
绘画用的调和颜料的液体；艺术创作所使用的材料。
Dry coloring matter , usually an insoluble powder to be mixed with water , oil , or another base to produce paint and similar products
色质干的着色物质，通常是一种可与水、油或其他固定剂混合的粉末，可制成漆和类似的产品

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