• synonyms


  1. Chemistry. a salt or ester of sulfuric acid.
Show More
verb (used with object), sul·fat·ed, sul·fat·ing.
  1. to combine, treat, or impregnate with sulfuric acid, a sulfate, or sulfates.
  2. to convert into a sulfate.
  3. Electricity. to form a deposit of lead-sulfate compound on (the lead electrodes of a storage battery).
Show More
verb (used without object), sul·fat·ed, sul·fat·ing.
  1. to become sulfated.
Show More

Origin of sulfate

From the New Latin word sulphātum, dating back to 1780–90. See sulfur, -ate2
Related formssul·fa·tion, nounsu·per·sul·fate, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for sulfation



1790 (sulphat), from French sulphate (1787), from Modern Latin sulphatum acidum, from Latin sulpur, sulphur (see sulfur) + chemical ending -ate (3). The spelling with -ph- is standard in Britain.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

sulfation in Medicine


  1. The addition of sulfate groups as esters to molecules.
Show More


  1. A salt or ester of sulfuric acid.
  2. The bivalent group SO4.
  3. A chemical compound containing such a group.
Show More
  1. To treat or react with sulfuric acid or a sulfate.
  2. To become sulfated.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

sulfation in Science


  1. A salt or ester of sulfuric acid, containing the group SO4.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.