: a volatile fragrant flammable liquid ketone C3H6O used chiefly as a solvent and in organic synthesis and found in abnormal quantities in diabetic urine

Examples of acetone in a Sentence

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Products with high amounts of acetone and alcohol can affect the sealant. Daley Quinn, Southern Living, 18 May 2026 For me, this means quickly going over them with acetone and then applying a base coat, two color coats, and a top coat. Tamim Alnuweiri, InStyle, 22 June 2026 Both are gentler than acetone and won’t dry your nails and cuticles out as much, making this pot a great choice for those with sensitive skin. Sarah Felbin, Allure, 30 Apr. 2026 However, unlike permanent solder, this new adhesive can be easily dissolved in an alkaline solution or a green solvent such as acetone. Mrigakshi Dixit, Interesting Engineering, 15 May 2026 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 7 Jul. 2026.

Kids Definition

: an easily evaporated fragrant flammable liquid compound used chiefly to dissolve or to make chemical compounds

Medical Definition

: 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

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