isopropyl alcohol

noun

, Chemistry.

1. 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

/ ī′sə-prō′pəl /

1. 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: C 3 H 8 O.

Word History and Origins

Origin of isopropyl alcohol¹

First recorded in 1870–75

Example Sentences

Use a cotton swab to dislodge any debris in small crevices, and then dampen a new one with isopropyl alcohol to clean any other small areas.

From Popular-Science

If you happen to overdo it with the isopropyl alcohol, and liquid gets inside the charging case of your AirPods, let it dry upside down with the lid open.

From Popular-Science

Make sure to power off your device before you disinfect it gently with a cloth dipped in water and isopropyl alcohol.

From Popular-Science