hystazarin
noun
hys·taz·a·rin
hə̇ˈstazərə̇n
plural -s
: a yellow crystalline compound C14H6O2(OH)2 produced along with its isomer alizarin by condensation of phthalic anhydride and pyrocatechol; 2,3-dihydroxy-anthraquinone
Word History
Etymology
International Scientific Vocabulary hyst- (from Greek hysteros latter, later) + alizarin; originally formed in German