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

Selenium sulfide: Reduces yeast and oil.3 Zinc pyrithione: Fights yeast and bacteria. —Brandi Jones, Health, 3 July 2025

Hydrogen sulfide, or H2S, is toxic and studies have found that health effects of exposure at certain levels can include dizziness, headaches, vomiting, cough, chest tightness and depression. —Ian James, Los Angeles Times, 10 June 2025

The samples are mostly water-rich clay, with sulfide, carbonate and iron oxide minerals. —Sara Russell, The Conversation, 29 Jan. 2025

That change benefited mud microbes that convert sulfates in the saltwater to plant-killing sulfides. —Bywarren Cornwall, science.org, 9 Jan. 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