disulfide

or di·sul·phide

[dahy-suhl-fahyd, -fid]
noun Chemistry.
  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.

Origin of disulfide

First recorded in 1860–65; di-1 + sulfide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for disulphide

disulphide

noun
  1. 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

disulphide in Medicine

disulfide

[dī-sŭlfīd′]
n.
  1. 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.