Definitions
from The Century Dictionary.
- noun A red, or yellowish-red, crystalline substance, C6H4(CO)2C6H2(OH)2 or 1,4-dihydroxyanthraquinone, made by heating together phthalic anhydrid and hydroquinone; also in other ways. It gives blue solutions with alkalis. It melts at 192–193° C.
from the GNU version of the Collaborative International Dictionary of English.
- (Chem.) A yellow crystalline substance produced artificially. It is isomeric with alizarin.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry, archaic A yellow
crystalline substance producedartificially andisomeric withalizarin .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From hydroquinone and alizarin
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