rubian
/ˈruːbɪən/Chemistry. Now historical and rare
noun
A brownish-yellow resinous substance isolated from madder root, subsequently shown to consist of a mixture of glycosides of alizarin and other compounds.
Origin
Mid 19th century. From classical Latin rubia madder + -an, after German Rubian.
- well said
- well-sailing
- well-sanded
- well-saved
- well-scented
- well-schemed
- well-scrubbed
- Wellsean
- well-seasoned
- we'll see about that
- well-seeing
- well-seeming
- well seen
- well-selected
- well-selling
- well-served
- well set
- well set on
- well-settled
- Wells, Fargo & Co.
- well-shading
- well-shaped
- well-shapen
- well-sharpened
- well-shaved