anthragallol
noun
an·thra·gal·lol
| \ -ˈgaˌlōl, -läl\
plural -s
Definition of anthragallol
: an orange crystalline compound C14H5O2(OH)3 used as a brown mordant dye; 1,2,3-trihydroxy-anthraquinone
— called also alizarine brown, anthracene brown
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