noun Chemistry.
- 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.
noun
- another name (not in technical usage) for thiol
n.
- Any of a class of organic compounds in which the oxygen of an alcohol has been replaced by sulfur and which have distinctive, often disagreeable, odors.thiol
- See thiol.