Also found in: Medical, Encyclopedia, Wikipedia.
A divalent chemical group consisting of two sulfur atoms, or a compound in which it is combined with other elements or groups. Also called bisulfide.
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.
(Elements & Compounds) a variant spelling of disulphide
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
di•sul•fide(daɪˈsʌl faɪd, -fɪd)
1. (in inorganic chemistry) a sulfide containing two atoms of sulfur, as carbon disulfide, CS2.
2. (in organic chemistry) a sulfide containing the bivalent group −SS−, as diethyl disulfide, C4H10S2.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.