verb (used with object), sul·fo·nat·ed, sul·fo·nat·ing.
  1. to make into a sulfonic acid, as by treating an aromatic hydrocarbon with concentrated sulfuric acid.
  2. to introduce the sulfonic group into (an organic compound).

Origin of sulfonate

1875–80; sulfon(ic acid) + -ate1 or -ate2
Related formsun·sul·fo·nat·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

sulfonate in Medicine


  1. A salt or ester of sulfonic acid.
  1. To introduce one or more sulfonic acid groups into an organic compound.
  2. To treat with sulfonic acid.
Related formssul′fo•nation n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

sulfonate in Science


  1. A salt or ester of sulfonic acid, containing the group SO3H.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.