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isopropyl alcohol

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noun Chemistry.
a colorless, flammable, water-soluble liquid, C3H8O, 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.

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Also called dimethylcarbinol, isopropanol, secondary propyl alcohol.

Origin of isopropyl alcohol

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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Scientific definitions for isopropyl alcohol

isopropyl alcohol
[ ī′sə-prōpəl ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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