sulfide

American  

[suhl-fahyd, -fid] / ˈsʌl faɪd, -fɪd /

noun

Chemistry.

1. a compound of sulfur with a more electropositive element or, less often, a group.

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sulfide Scientific  

/ sŭl′fīd′ /

1. A chemical compound of sulfur and another element or radical, such as hydrogen sulfide.

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Other Word Forms

• subsulfide noun

Etymology

Origin of sulfide

1830–40; sulf(ur) + -ide ( def. )

Example Sentences

The protein, called Cystathionine γ-lyase, or CSE -- best known for generating hydrogen sulfide, the gas that smells like rotten eggs -- appears to play a key role in how memory forms.

From Science Daily • Apr. 8, 2026

Instead of relying on sunlight, organisms in these environments use chemical energy from compounds such as hydrogen sulfide.

From Science Daily • Apr. 3, 2026

The air is rife with hydrogen sulfide, carrying the familiar smell of rotting eggs.

From Salon • Mar. 17, 2026

These toxic elements sat in the channel’s then-stagnant water, which led to a die-off of all vegetation and the emission of foul-smelling hydrogen sulfide.

From Los Angeles Times • Feb. 7, 2026

The first primitive forms of life consumed various materials, including hydrogen sulfide, and released oxygen.

From "A Brief History of Time: And Other Essays" by Stephen Hawking