acetone

noun

ac·​e·​tone ˈa-sə-ˌtōn How to pronounce acetone (audio)
: a volatile fragrant flammable liquid ketone C3H6O used chiefly as a solvent and in organic synthesis and found in abnormal quantities in diabetic urine
acetonic adjective

Examples of acetone 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.
Soft gel manicures often have to be filed off the nail in combination with soaking the polish in acetone, which, if improperly done, can cause damage to the nail bed, making your nails thinner and more prone to breaking or chipping. Anna Bader, Glamour, 27 May 2025 This causes your breath to smell fruity or like acetone, which is a sign of a dangerous diabetes complication called diabetic ketoacidosis.7 See a healthcare provider immediately. Daniel Combs, Verywell Health, 16 May 2025 The Office of the Medical Investigator in New Mexico found trace amounts of the chemical solvent acetone in Hackman’s system, which indicates prolonged fasting, noted the report obtained by The Associated Press. Theresa Braine, New York Daily News, 28 Apr. 2025 To remove them, the tip is cut to the base and then the nail is soaked in acetone for 10 to 15 minutes. Lorena Meouchi, Vogue, 26 May 2025 See All Example Sentences for acetone

Word History

Etymology

borrowed from French acétone, from (esprit pyro-)acétique, literally, "pyro-acetic spirit," an earlier name for acetone + -one -one

First Known Use

1837, in the meaning defined above

Time Traveler
The first known use of acetone was in 1837

Browse Nearby Words

Cite this Entry

“Acetone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acetone. Accessed 29 Jun. 2025.

Kids Definition

acetone

noun
ac·​e·​tone ˈas-ə-ˌtōn How to pronounce acetone (audio)
: an easily evaporated fragrant flammable liquid compound used chiefly to dissolve or to make chemical compounds

Medical Definition

acetone

noun
ac·​e·​tone ˈas-ə-ˌtōn How to pronounce acetone (audio)
: a volatile fragrant flammable liquid ketone C3H6O used chiefly as a solvent and in organic synthesis and found in abnormal quantities in diabetic urine

called also propanone

acetonic adjective

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