THIOL
- a sulfur compound [n THIOLS] : THIOLIC [adj]
- a sulphur compound [n -S]
- any of a class of sulfur-containing compounds having the type formula RSH, in which R represents a radical, and having an extremely offensive, garlicky odor
- containing the mercapto group; sulfhydryl; thiol
- any of various compounds having the general formula RSH which are analogous to alcohols but in which sulfur replaces the oxygen of the hydroxyl group and which have disagreeable odors