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

White liquor is an alkaline chemical containing sodium hydroxide and sodium sulfide.

From BBC • May 26, 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

“Well, not technically allergic, but they give me digestive issues that, um...You know like when tiny amounts of hydrogen, carbon dioxide, and methane combine with hydrogen sulfide and ammonia in the large intestine?”

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas