IPA: //ˈsʌlfaɪd//
KK: /ˈsʌlfaɪd/
A chemical compound that contains sulfur and is formed with another element, often a metal, where sulfur has a negative charge.
Copper sulfide is commonly used in the production of semiconductors.
**Sulfide** → It is formed from "sulfur" (from Latin *sulfur*, meaning the element sulfur) and "-ide" (a suffix used in chemistry to denote a binary compound). The word "sulfide" refers to a compound consisting of sulfur and another element or group.
Think of sulfur as the main element in sulfide, and remember that sulfide is a compound that includes sulfur combined with another element.