sulfonmethane

[ sŭl′fōn-mĕthān′, -fŏn- ]

n.

A colorless crystalline or powdered compound used medicinally as a hypnotic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.