[suhl-fuh-neyt] Chemistry.
an ester or salt derived from a sulfonic acid.
verb (used with object), sulfonated, sulfonating.
to make into a sulfonic acid, as by treating an aromatic hydrocarbon with concentrated sulfuric acid.
to introduce the sulfonic group into (an organic compound).

1875–80; sulfon(ic acid) + -ate1 or -ate2

unsulfonated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Medical Dictionary

sulfonate sul·fo·nate (sŭl'fə-nāt')
A salt or an ester of sulfonic acid. v. sul·fo·nat·ed, sul·fo·nat·ing, sul·fo·nates

  1. To introduce one or more sulfonic acid groups into an organic compound.

  2. To treat with sulfonic acid.

sul'fo·na'tion n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
sulfonate   (sŭl'fə-nāt')  Pronunciation Key 
A salt or ester of sulfonic acid, containing the group SO3H.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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