WordReference Random House Unabridged Dictionary of American English © 2025
ru•tin
(ro̅o̅t′n),USA pronunciation n. [Pharm.]
- Drugsa bright yellow or greenish-yellow substance, C27H30O16, obtained chiefly from buckwheat, and used in the treatment of capillary fragility.
- Neo-Latin Rut(a) rue, a source of the substance (see rutaceous) + German -in -in2
- German Rutin (1842)