Also found in: Medical.
A salt of a sulfonic acid of naphthalene, used in the preparation of various pharmaceuticals.
[Alteration of nap(hthalene)sul(fon)ate.]
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.