sul•fo•nate
Pronunciation: (sul'fu-nāt"), [key]
— n., v., -nat•ed, -nat•ing.
—n.
- an ester or salt derived from a sulfonic acid.
—v.t.
- 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).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.