quinidine
a colorless, crystalline alkaloid, C20H24N2O2, isomeric with quinine, obtained from the bark of certain species of cinchona trees or shrubs, used chiefly to regulate heart rhythm and to treat malaria.
Compare Meanings
Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.
Origin of quinidine
1Words Nearby quinidine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use quinidine in a sentence
It is nothing more than quinidine, or cinchonidine, or a mixture of both.
quinidine yields with chromic acid the same decomposition products as quinine.
This reaction is not characteristic of quinine, for with quinidine one gets the same reaction.
Cooley's Practical Receipts, Volume II | Arnold CooleyDr de Vrij, for instance, found sometimes more than 20% of quinidine in some samples of quinoidine of commerce.
Cooley's Practical Receipts, Volume II | Arnold CooleyFrom the above statement respecting the solubility of quinidine in ether, it appears that the 10 gr.
Cooley's Practical Receipts, Volume II | Arnold Cooley
British Dictionary definitions for quinidine
/ (ˈkwɪnɪˌdiːn) /
a crystalline alkaloid drug that is an optically active diastereoisomer of quinine: used to treat heart arrhythmias. Formula: C 20 H 24 N 2 O 2
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Browse