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WordReference Random House Unabridged Dictionary of American English © 2024sul•fite (sul′fīt),USA pronunciation n. [Chem.]- Chemistrya salt or ester of sulfurous acid.
- Chemistry, Nutrition, Drugsany sulfite-containing compound, esp. one that is used in foods or drug products as a preservative and that can cause severe allergic reactions in susceptible individuals: use in fresh fruits and vegetables banned by the FDA in 1986.
- 1780–90; sulf(ur) + -ite1
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