from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A protoberberine alkaloid that can act as a calcium channel blocker.
from The Century Dictionary and Cyclopedia
- n. A crystalline alkaloid, C20H21O4N, found in small amounts in Hydrastis Canadensis. It melts at 132.5° C, and is related in structure to berberine.
Sorry, no etymologies found.