columbin [化] 非洲防己苦素; 加伦巴根苷
[医] 非洲防已苦素
Columbin \Co*lum"bin\, n. (Chem.)
A white, crystalline, bitter substance. See {Calumbin}.
Calumbin \Ca*lum"bin\, n. (Chem.)
A bitter principle extracted as a white crystalline substance
from the calumba root. [Written also {colombin}, and
{columbin}]