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