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Meaning of disulfide

di•sul•fide

Pronunciation: (dī-sul'fīd, -fid), [key]
— n. Chem.
  1. (in inorganic chemistry) a sulfide containing two atoms of sulfur, as carbon disulfide, CS.
  2. (in organic chemistry) a sulfide containing the bivalent group −SS−, as diethyl disulfide, CHS.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.