[ lahy-duh-keyn ]
/ ˈlaɪ dəˌkeɪn /

noun Pharmacology.

a synthetic crystalline powder, C14H22N2O, used as a local anesthetic and also in the management of certain arrhythmias.

Words nearby lidocaine

Origin of lidocaine

(acetani)lid(e) + -o- + -caine, extracted from cocaine (to designate an anesthetic)
Also called lignocaine. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for lidocaine

British Dictionary definitions for lidocaine

/ (ˈlaɪdəˌkeɪn) /


a powerful local anaesthetic administered by injection, or topically to mucous membranes. Formula: C 14 H 22 N 2 O.HCl.H 2 OAlso called: lignocaine

Word Origin for lidocaine

C20: from (acetani)lid(e) + -caine on the model of cocaine
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

Medical definitions for lidocaine

[ līdə-kān′ ]


A synthetic amide used as a local anesthetic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for lidocaine

[ līdə-kān′ ]

A synthetic amide, C14H22N2O, used chiefly in the form of its hydrochloride as a local anesthetic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.