Definitions

1. noun

a salt or ester of sulfurous acid, or a compound containing the sulfite ion (SO3^2- or SO3^2-).

“The winery added sulfite to the wine to preserve its flavor and extend its shelf life.”

2. verb

to treat or preserve something with sulfites.

“The food processor sulfites the fruit to prevent spoilage and extend its shelf life.”

3. chemistry

a salt or ester of sulfurous acid.

“The chemist synthesized a sulfite compound for further analysis.”