[ suhl-fahyt ]
/ ˈsʌl faɪt /
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noun Chemistry.

a salt or ester of sulfurous acid.
any sulfite-containing compound, especially 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.



In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of sulfite

First recorded in 1780–90; sulf(ur) + -ite1
sul·fit·ic [suhl-fit-ik], /sʌlˈfɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
  • More than a mere trace of the precipitate proves that some sulfite was used to preserve the meat.

  • In the most common process the reagent is calcium sulfite, made by passing sulfur fumes (SO2) into lime water.

    Creative Chemistry|Edwin E. Slosson
  • But the sulfite liquors of the paper mills are being worked up successfully into industrial alcohol.

    Creative Chemistry|Edwin E. Slosson
  • A combination of ground and sulfite wood makes the paper now used for news-print.

    How To Write Special Feature Articles|Willard Grosvenor Bleyer

Medical definitions for sulfite

[ sŭlfīt′ ]


A salt or ester of sulfurous acid.
sul•fitic (-fĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for sulfite

[ sŭlfīt′ ]

A salt or ester of sulfurous acid, containing the group SO3.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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