a white, poisonous, protein powder from the bean of the castor-oil plant.
(biochem) a highly toxic protein, a lectin, derived from castor-oil seeds: used in experimental cancer therapy
ricin ri·cin (rī’sĭn, rĭs’ĭn)
A poisonous protein that is extracted from the castor bean and is used as a biochemical reagent.
An extremely poisonous protein extracted from the castor bean. Ricin inhibits protein synthesis in cells, and is used as a biochemical reagent and in cancer research.
noun 1. the starchy seeds or grain of an annual marsh grass, Oryza sativa, cultivated in warm climates and used for food. 2. the grass itself. verb (used with object), riced, ricing. 3. to reduce to a form resembling rice: to rice potatoes. noun 1. an erect grass, Oryza sativa, that grows in East Asia […]
adjective, Chemistry. 1. of or derived from ricinoleic acid.
noun, Chemistry. 1. a colorless to yellow, viscous, liquid, water-insoluble, unsaturated hydroxyl acid, C 1 8 H 3 4 O 3 , occurring in castor oil in the form of the glyceride: used chiefly in soaps and textile finishing. ricinoleic acid /ˌrɪsɪnəʊˈliːɪk; -ˈnəʊlɪɪk/ noun 1. an oily unsaturated carboxylic acid found, as the glyceride, in […]
noun, Chemistry. 1. the glyceride of ricinoleic acid, the chief constituent of castor oil.