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

Physicists at The City College of New York have demonstrated microwave-to-optical conversion using chromium sulfide bromide, or CrSBr. — Aamir Khollam, Interesting Engineering, 18 Sep. 2026

Experts suspect the pigment may be cinnabar, a mercury sulfide mineral that held immense spiritual and ritualistic value for the Chimu, explicitly reserved for high-ranking members of society. — Francesca Aton, ARTnews.com, 11 Sep. 2026

These minerals include aluminium oxide, iron, magnesium silicate, manganese sulfide, potassium chloride, sodium sulfide and zinc sulfide. — Keith Cooper, Space.com, 13 July 2026

The researchers think the clouds are full of chloride salts, such as potassium chloride, and/or sulfide salts, such as manganese sulfide. — Jeanna Bryner, Scientific American, 18 June 2026

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