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

And among all this life, minerals build up slowly over millennia in the form of sulfide deposits and manganese crusts. —Christian Elliott, Smithsonian Magazine, 21 Apr. 2025

The potential presence of a dimethyl sulfide signal at other wavelengths in earlier work may seem to solidify this identification, but a reanalysis of that data found no evidence of a statistically significant signal. —John Timmer, ArsTechnica, 17 Apr. 2025

In your intestines, bacteria help convert sulfate into sulfide gases, which cause foul-smelling odors during bowel movements and flatulence (passing gas). —Kirstyn Hill, Pharmd, Mph, Health, 14 Apr. 2025

Dimethyl sulfide is much more unstable in a planetary atmosphere than in a comet and hence has very short lifetimes unless replenished continuously, says Madhusudhan. —Bruce Dorminey, Forbes.com, 26 Apr. 2025

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

Rhymes for sulfide

• abide
• allied
• applied
• aside
• astride
• azide
• backside
• bankside
• bastide
• bayside
• bedside
• belied

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