Share this entry
sulphite Line breaks: sul|phite
Pronunciation: /ˈsʌlfʌɪt/
(also sulfite)

Definition of sulphite in English:


A salt of sulphurous acid, containing the anion SO32−.
Example sentences
  • Items to be avoided are lactose, yeast, artificial dyes, titanium dioxide preservatives, sulfites, synthetic colors, and gluten.
  • Normally, sulfite oxidase metabolizes sulfites to sulfates, which are excreted in the urine or reused by the body.
  • The sulfite provides sufficient alkalinity to activate and maintain the developing process, and in addition acts as a solvent.


Late 18th century: from French sulfite, alteration of sulfate (see sulphate).

Definition of sulphite in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources