A white crystalline powder, C13H20N2O2, used chiefly in its hydrochloride form as a local anesthetic in medicine and dentistry.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
[C20: from pro-1 + (co)caine]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
(proʊˈkeɪn, ˈproʊ keɪn)
a compound, C13H20N2O2, used chiefly as a local and spinal anesthetic.
Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.