physostigmine

play
noun phy·so·stig·mine \ˌfī-sə-ˈstig-ˌmēn\

Definition of physostigmine

  1. :  a tasteless crystalline alkaloid that is an anticholinesterase obtained from the Calabar bean and is used in medicine parenterally in the form of its salicylate C15H21N3O2·C7H6O3 especially to reverse the toxic effects of an anticholinergic agent (such as atropine) and topically in the form of its sulfate (C15H21N3O2)2·H2SO3 as a miotic in the treatment of glaucoma —called also eserine

Origin and Etymology of physostigmine

International Scientific Vocabulary, from New Latin Physostigma, genus of vines that bear the Calabar bean


First Known Use: 1864


Medical Dictionary

physostigmine

play
noun phy·so·stig·mine \ˌfī-sə-ˈstig-ˌmēn\

Medical Definition of physostigmine

  1. :  a tasteless crystalline alkaloid that is an anticholinesterase obtained from the Calabar bean and is used parenterally in the form of its salicylate C15H21N3O2·C7H6O3 especially to reverse the toxic effects of an anticholinergic agent (as atropine) and topically in the form of its sulfate (C15H21N3O2)2·H2SO3 as a miotic in the treatment of glaucoma—called also eserine


Seen and Heard

What made you want to look up physostigmine? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a favoring of the simplest explanation

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • manet-jeanne-spring
  • Which is a synonym of chaffer?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ