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n. An orange-red crystalline compound, C14H6O2(OH)2, used in making dyes.

n. a type of red or crimson dye

n. A coloring principle, C14H6O2(OH)2, found in madder, and now produced artificially as an an orange-red crystalline compound from anthracene. It is used in making red pigments (such as the Turkish reds), and in dyeing.

n. A peculiar red coloring matter (C14H8O4) formerly obtained from madder, and extensively used as a dyestuff.

n. Commercial alizarin is sold in the form of a yellow paste containing 20 per cent. of dry substance, and, less frequently, as a dry powder. The dry substance in the paste is seldom pure alizarin, but contains varying amounts of flavopurpurin and anthrapurpurin, both of which have properties similar to alizarin. Natural alizarin derived from madder contains purpurin in addition to the above. The nature of the various commercial alizarins is often designated by suffixed letters or numbers. Thus alizarin I, alizarin P, and alizarin V are nearly pure alizarin and give blnish reds, while alizarin CA, alizarin G, etc., contain anthrapurpurin or flavopurpurin, or both, and give yellowish reds.

n. an orange-red crystalline compound used in making red pigments and in dyeing

"Mr. Davids made many experiments with "alizarin" inks in the early sixties but did not consider them valuable enough to put on the market."

alizarine   

pigment   

alizarin red    alizarin saphirol    alizarin yellow    alizarin black   

alizarin red    alizarin crimson    alizarin carmine   

half-consciously    sweet-fern    bond-equivalent    eye-searing    kil    red-on-red    Hyderabad    violet-coloured    ryot    cochineal