Madder

(noun.) Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin.

(verb.) color a moderate to strong red.

录入:内丽

• The German chemist produced an artificially made product, which took the place of the madder dye, and was sold at $1. Edward W. Byrn. 十九世纪发明进展.
• Prior to 1869 the red alizarine dye was of plant origin, being obtained from madder root, and it cost $2 a pound. Edward W. Byrn. 十九世纪发明进展.
• Up to that time, dyes were few in number and were extracted solely from plants, principally from the indigo and madder plants. 伯莎M.克拉克. 科学通论.

安琪莉可录入