a colorless, flammable, water-soluble liquid, C 3 H 8 O, produced from propylene by the action of sulfuric acid and hydrolysis: used chiefly in the manufacture of antifreeze and rubbing alcohol and as a solvent.
isopropyl alcohol i·so·pro·pyl alcohol (ī'sə-prō'pəl) n. A clear, colorless, flammable, mobile liquid used in antifreeze compounds, in lotions and cosmetics, and as a solvent for gums, shellac, and essential oils.
(ī'sə-prō'pəl) A clear, colorless, flammable, mobile liquid that is one of the two isomers of propyl alcohol. It is used in antifreeze compounds, rubbing alcohol, lotions, and cosmetics, and also as a solvent for gums, shellac, and essential oils. Chemical formula:C3H8O.