coerulein

noun

coe·​ru·​le·​in

variants or less commonly cerulein

sə̇ˈrülēə̇n

plural -s

often capitalized

: a xanthene dye C₂₀H₁₀O₆ that is obtained by heating gallein with concentrated sulfuric acid and that dyes mordanted cotton, silk, and wool green

Word History

Etymology

International Scientific Vocabulary coerul-, cerul- (from Latin coeruleus, caeruleus cerulean) + -in

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