dithionite(redirected from dithionites)
The divalent anionic group S2O4, derived from dithionous acid, or a compound containing this group. Also called hydrosulfite.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) any salt of dithionous acid. Also called: hyposulphite or hydrosulphite
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