A sulfide is an anion of sulfur in its lowest oxidation state of 2-. Sulfide is also a slightly archaic term for thioethers, a common type of organosulfur compound that are well known for their bad odors.
Read more about Sulfide: Properties, Metal Derivatives, Geology, Corrosion Induced By Sulfide, Organic Chemistry, Disulfides, Examples, Preparation, Safety