iso·​pro·​pyl ˌī-sə-ˈprō-pəl How to pronounce isopropyl (audio)
often attributive
: the alkyl radical isomeric with straight-chain propyl
often used in combination

Examples of isopropyl in a Sentence

Recent Examples on the Web After cleaning, consider wiping the counter down with isopropyl or rubbing alcohol. Bryce Jones, Better Homes & Gardens, 31 Mar. 2023 Unlike many ethanol tabletop fires, this portable fire pit can be used with multiple alcohol fuels for a clean, ventless fire; the brand recommends bioethanol fuel, isopropyl, or rubbing alcohol. Nicol Natale, Peoplemag, 9 Sep. 2022 Hand sanitizers are made from either ethyl alcohol, which is the alcohol in alcoholic beverages, or from isopropyl or rubbing alcohol. Dr. Keith Roach, oregonlive, 29 Aug. 2022 The three-year-old Chattanooga, Tenn.-based company makes portable, cement fireplaces that operate on just isopropyl (rubbing) alcohol, safely bringing a small but heat-generating flame to the great indoors. Outside Online, 11 Aug. 2021 Dedicate a bottle of 70 percent isopropyl to pest control. Nan Sterman, San Diego Union-Tribune, 4 June 2022 Each element consists of a hexagonal shell of magnesium alloy filled with a fire mixture whose main ingredients are gasoline, isopropyl nitrate and rubber. David Hambling, Forbes, 25 Mar. 2022 According to Gorilla Glue's website, the glue -- which is 100% waterproof and usually used for fixing bathroom tiles, wood flooring and decking -- can be removed with acetone or isopropyl alchol. Alaa Elassar, CNN, 19 June 2021 Never use drinking alcohol or any other type of alcohol besides ethanol and isopropyl. Angela Watson,, 18 Mar. 2021 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'isopropyl.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of isopropyl was in 1866

Dictionary Entries Near isopropyl

Cite this Entry

“Isopropyl.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2023.

Medical Definition


iso·​pro·​pyl ˌī-sə-ˈprō-pəl How to pronounce isopropyl (audio)
: the alkyl group isomeric with normal propyl
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