This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Alizarin (Al-I-Za'-Rin). [From al-i-za-ri, the commercial name of madder in Asia] A peculiar red coloring matter formerly obtained from the madder plant [see Turkey Red]. At present alizarin is an artificial madder-dye obtained from coal-tar, and which in point of commercial importance far exceeds any of the other 400 shades of colors derived from that source. [See Dyeing, Calico-Printing]
 
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