from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See physostigmine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Physostigmine.
from the GNU version of the Collaborative International Dictionary of English
- n. An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil.
from The Century Dictionary and Cyclopedia
- n. An alkaloid obtained from the Calabar bean, Physostigma venenosum, assumed by some authorities to be identical with physostigmine.
Efik esere, Calabar bean + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)
From éséré, West African name for the Calabar bean. (Wiktionary)