althaein
noun
al·thae·in
variants or althein
alˈthēə̇n
plural -s
: a crystalline pigment obtained from the hollyhock having a bronze luster but being blue in alkaline solution
Word History
Etymology
International Scientific Vocabulary althae-, althe- (from New Latin althaea, genus name of Althaea rosea) + -in; originally formed as German althein
First Known Use
1827, in the meaning defined above