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
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The formation of lithium sulfide also speeds up, with nucleation time reduced from 3,600 seconds to 3,010 seconds, while delivering 17 percent higher capacity.
—
Jijo Malayil, Interesting Engineering, 9 Jan. 2026
Du identified bristleworms, gastropods, clams, tubeworms and other organisms living in the extreme depths, supported not by sunlight but chemosynthetic microbes drawing energy from methane and sulfide seeping through the ocean floor.
—New Atlas, 31 Dec. 2025
Some argue against the concept of hycean worlds, point out that the signal is very weak, and raise the possibility that dimethyl sulfide can also form abiotically.
—Keith Cooper, Space.com, 28 Dec. 2025
In addition to its textile sector solutions, Archroma also achieved Cradle to Cradle Material Health Gold certification for low-sulfide sulfur dyes for the paper industry.
—Angela Velasquez, Sourcing Journal, 26 Nov. 2025
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Jijo Malayil, Interesting Engineering, 9 Jan. 2026
Du identified bristleworms, gastropods, clams, tubeworms and other organisms living in the extreme depths, supported not by sunlight but chemosynthetic microbes drawing energy from methane and sulfide seeping through the ocean floor.
—New Atlas, 31 Dec. 2025
Some argue against the concept of hycean worlds, point out that the signal is very weak, and raise the possibility that dimethyl sulfide can also form abiotically.
—Keith Cooper, Space.com, 28 Dec. 2025
In addition to its textile sector solutions, Archroma also achieved Cradle to Cradle Material Health Gold certification for low-sulfide sulfur dyes for the paper industry.
—Angela Velasquez, Sourcing Journal, 26 Nov. 2025
See All Example Sentences for sulfide
Cite this Entry
“Sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfide. Accessed 15 Jan. 2026.
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sulfide
noun
sul·fide
ˈsəl-ˌfīd 
: a compound of sulfur with one or more other elements : a salt of hydrogen sulfide
Medical Definition
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