n. 茜素

[化] 茜素; 1,2-二羟基蒽醌; 阿利札林(用于音译染料商名)

[医] 茜素

[ noun ]
an orange-red crystalline compound used in making red pigments and in dyeing
<noun.substance>

Alizarin \A*liz"a*rin\, Alizarine \A*liz"a*rine\, n. [F.
alizarine, fr. alizari.] (Chem.)
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.
[1913 Webster WordNet 1.5]