Hypertext Webster Gateway: "alizarin"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Alizarin \A*liz"a*rin\, n. [F. alizarine, fr. alizari.] (Chem.)
A coloring principle, {C14H6O2(OH)2}, found in madder, and
now produced artificially from anthracene. It produces the
Turkish reds.
From WordNet (r) 1.7 (wn)
alizarin
n : an orange-red crystalline compound used in making red
pigments and in dyeing [syn: {alizarine}]
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