rubianin
/ˌruːbɪˈanɪn/(also rubianine) Chemistry. Now historical and rare
noun
A yellow crystalline glycoside isolated from madder root.
- Investigation of Schunck's original samples in the 1970s showed that rubianin is a phenolic glycoside of anthraquinone, C25H26O13..
Origin
Mid 19th century. From rubian + -in.
- potato spirit
- potato-spraying
- potato stalk borer
- potato stick
- potato stone
- potato straw
- potato top
- potato-trap
- potato tree
- potato tuber moth
- potato tuberworm
- potato vine
- potato wart
- potato whisky
- potato worm
- pot-au-feu
- Potawatomi
- pot-baker
- pot-bank
- pot barley
- pot-bellied
- pot-bellied pig
- pot-bellied stove
- pot belly
- pot-board