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.
Per the brand, start by trimming the builder extension (if applicable), then file off the top layer of top coat before soaking with acetone. Karina Hoshikawa, Refinery29, 27 Oct. 2025 As acetone is recyclable and uncontaminated, the procedure permits full solvent recovery, promoting low-waste, environmentally friendly production. Jijo Malayil, Interesting Engineering, 25 Oct. 2025 Blot those with rubbing alcohol or acetone once determining this won't harm the fabric. Brandee Gruener, Southern Living, 20 Oct. 2025 The listing photos for this East Village loft smell like the acetone that’s likely been spilled on the hardwood floors. Matthew Sedacca, Curbed, 22 Sep. 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 30 Oct. 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

More from Merriam-Webster on acetone

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