Bdellium

(Chem.) A kind of gum-resin, the produce of an unknown plant. It is solid, brittle, of a deep brown color, of an acrid and bitter taste, and sweet odor. It was much vaunted by the ancients, but is now little used. The resin consists of C40H3105. The gum consists of resin 59, gum 9.2, mucilage 30-6, vol. oil 1-2. See BALSA MOD END RON. Bdellometer, ( del - lom'e -ter,) n. [Gr. bdella , leech, and metron, measure.] ( Med .) A cupping-gla , to which are attached a scarificator and an exhausting syringe. It is used as a substitute for the leech.