Pronunciation: (dī-sul'fīd, -fid), [key]
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. Also,di•sul'phide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.