from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The bitter purgative principle of senna. It is a glucoside with the properties of a weak acid.
from the GNU version of the Collaborative International Dictionary of English
- n. The bitter, purgative principle of senna. It is a glucoside with the properties of a weak acid; -- called also cathartic acid, and cathartina.
from The Century Dictionary and Cyclopedia
- n. A name once given to a mixture of substances obtained from senna.
- n. A bitter substance found in buckthorn berries, Rhamnus cathartica.
carthartic + -in? (Wiktionary)