sulfide

noun

sul·​fide ˈsəl-ˌfīd 

1

: any of various organic compounds characterized by a sulfur atom attached to two carbon atoms

2

: a binary compound (such as CuS) of sulfur usually with a more electropositive element or group : a salt of hydrogen sulfide

Examples of sulfide in a Sentence

Recent Examples on the Web

During the project’s five-year research phase, experts re-stretched the canvas and examined the painting’s physical components, discovering arsenic sulfide pigments behind its golden glow and lead in its base layer. —Sonja Anderson, Smithsonian Magazine, 2 Dec. 2024

Hydrogen sulfide is a byproduct of crude oil refining. —Noelle Phillips, The Denver Post, 15 Nov. 2024

Hydrogen sulfide is a foul-smelling gas that can be toxic at high levels. —CBS News, 11 Oct. 2024

Hydrogen sulfide is a highly toxic and flammable gas that contains a foul odor best resembling the smell of rotten eggs, according to the Federal Occupational Safety and Health Administration. —Alexis Simmerman, Austin American-Statesman, 11 Oct. 2024

Word History

First Known Use

1836, in the meaning defined at sense 1

Phrases Containing sulfide

• cadmium sulfide
• hydrogen sulfide
• iron sulfide
• lead sulfide
• zinc sulfide

Kids Definition

sulfide

noun

sul·​fide ˈsəl-ˌfīd 

: a compound of sulfur with one or more other elements : a salt of hydrogen sulfide

Medical Definition

sulfide

noun

sul·​fide

variants or chiefly British sulphide

ˈsəl-ˌfīd 

1

: any of various organic compounds characterized by a sulfur atom attached to two carbon atoms

2

: a binary compound (as CuS) of sulfur usually with a more electropositive element or group : a salt of hydrogen sulfide