or di·sul·phide

[ dahy-suhl-fahyd, -fid ]
/ daɪˈsʌl faɪd, -fɪd /

noun Chemistry.

(in inorganic chemistry) a sulfide containing two atoms of sulfur, as carbon disulfide, CS2.
(in organic chemistry) a sulfide containing the bivalent group −SS−, as diethyl disulfide, C4H10S2.

Origin of disulfide

First recorded in 1860–65; di-1 + sulfide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for disulphide

British Dictionary definitions for disulphide

/ (daɪˈsʌlfaɪd) /


any chemical compound containing two sulphur atoms per moleculeAlso called (not in technical usage): bisulphide
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

Medicine definitions for disulphide

[ dī-sŭlfīd′ ]


A chemical compound containing two sulfur atoms combined with other elements or radicals.bisulfide
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.