1 ผลลัพธ์ สำหรับ roccellin
หรือค้นหา: -roccellin-, *roccellin*

Collaborative International Dictionary (GCIDE)
Roccellin

n. A red dyestuff, used as a substitute for cochineal, archil, etc. It consists of the sodium salt of a complex azo derivative of naphtol. [ 1913 Webster ]


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