sulfite

noun

sul·​fite ˈsəl-ˌfīt How to pronounce sulfite (audio)
: a salt or ester of sulfurous acid
sulfitic
ˌsəl-ˈfi-tik How to pronounce sulfite (audio)
adjective

Examples of sulfite in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The study examines what happens as UV-sulfite treatment breaks PFAS apart. — Alexandra Harrell, Footwear News, 14 Oct. 2026 Common types include activated carbon, KDF and calcium sulfite, each targeting different substances. — Ryan Brennan, Fort Worth Star-Telegram, 16 Sep. 2026 That media might include activated carbon, KDF, calcium sulfite or some combination designed to reduce specific contaminants. — Ryan Brennan, Miami Herald, 16 Sep. 2026 PureWine removes both the histamines and sulfites that trigger most common wine allergies. — ABC News, 29 June 2026 See All Example Sentences for sulfite

Word History

Etymology

French sulfite, alteration of sulfate

First Known Use

1788, in the meaning defined above

Time Traveler
The first known use of sulfite was in 1788

Rhymes for sulfite

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Browse Nearby Words

sulfitation cake
sulfite
sulfite liquor
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Cite this Entry

“Sulfite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfite. Accessed 20 Oct. 2026.

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Medical Definition

sulfite

noun
sul·​fite
variants or chiefly British sulphite
ˈsəl-ˌfit How to pronounce sulfite (audio)
: a salt or ester of sulfurous acid

More from Merriam-Webster on sulfite

Britannica.com: Encyclopedia article about sulfite

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