neostigmine definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Either of two related white crystalline compounds, C12H19BrN2O2 or C13H22N2O6S, that opposes the action of acetylcholinesterase and is used in the treatment of glaucoma, myasthenia gravis, and various postoperative conditions.
Origin: neo- + (physo)stigmine.
neostigmine - Medical Definition
A drug that inhibits acetylcholinesterase, used in its bromide form orally and its methylsulfate form parenterally to treat myasthenia gravis.