isopropyl

noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Rubbing Alcohol Head to the drug store for a bottle of 70% isopropyl (rubbing) alcohol to clean windows. — Mary Marlowe Leverette, The Spruce, 29 Aug. 2026 Packed with potent ingredients like isopropyl cloprostenate, amino acids, hyaluronic acid, and vitamin E, this formula nurtures and enhances your brows from the root. — Iman Balagam, Vogue, 27 Aug. 2026 In sniffing out the many, many chemical compounds that naked mole rats produce, scientists found that isopropyl myristate was common among queens and queens alone. — Popular Science Team, Popular Science, 26 Aug. 2026 According to the complaint, Trevino purchased a Colsen tabletop fire pit from Amazon in February 2021 and two bottles of medical-grade isopropyl (rubbing) alcohol to use as fuel. — Ruben Vives, Los Angeles Times, 6 Aug. 2026 See All Example Sentences for isopropyl

Word History

Etymology

International Scientific Vocabulary

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of isopropyl was in 1866

Phrases Containing isopropyl

Rhymes for isopropyl

See All Rhymes for isopropyl

Browse Nearby Words

isopropoxide
isopropyl
isopropyl alcohol
See all Nearby Words

Cite this Entry

“Isopropyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isopropyl. Accessed 3 Sep. 2026.

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Medical Definition

isopropyl

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