a colorless, volatile, flammable, poisonous liquid, CHCHOHCH, that mixes readily with alcohol, water, or ether: it is derived from propylene and used in antifreezes, antiseptics, etc. and as a solvent
See isopropyl alcohol in American Heritage Dictionary 4
(īˌsə-prōˈpəl)
noun
A clear, colorless, flammable, mobile liquid, (CH3)2CHOH, used in antifreeze compounds, in lotions and cosmetics, and as a solvent for gums, shellac, and essential oils.