[ suhl-fuh-neyt ]
/ ˈsʌl fəˌneɪt /


an ester or salt derived from a sulfonic acid.

verb (used with object), sul·fo·nat·ed, sul·fo·nat·ing.

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).

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. 2019

Medicine definitions for sulfonate


[ sŭlfə-nāt′ ]


A salt or ester of sulfonic acid.


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

Science definitions for sulfonate


[ sŭlfə-nāt′ ]

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.