1. That one of a series of sulfides that contains more atoms of sulfur than any other. ... 2. The sulfur analog of a peroxide. ... (05 Mar 2000) ... 
Type: Term Pronunciation: per-sŭl′fīd Definitions: 1. The compound of a series of sulfides that contains more atoms of sulfur than any other. 2. The sulfur analog of a peroxide.