acetone

noun

ac·​e·​tone ˈa-sə-ˌtōn 

: 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

ˌa-sə-ˈtä-nik 

adjective

Examples of acetone in a Sentence

Recent Examples on the Web

Officers found the man inside the building that night with multiple bags of liquids, which investigators later learned were hydrochloric acid, methanol, isopropyl alcohol, acetone and butane. —Charlotte Phillipp, PEOPLE, 1 May 2026

The substances included sodium hydroxide pellets, hydrochloric acid, methanol, isopropyl alcohol, acetone and butane, according to the MSU Department of Police and Public Safety. —Meredith Deliso, ABC News, 30 Apr. 2026

Police searched Tong's bags to find chemicals known to be used in making meth, including sodium hydroxide pellets, hydrochloric acid, methanol, isopropyl alcohol, acetone and butane. —CBS News, 30 Apr. 2026

The news release identified the substances as sodium hydroxide pellets, hydrochloric acid, methanol, isopropyl alcohol, acetone and butane. —Janat Batra, NBC news, 30 Apr. 2026

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

Rhymes for acetone

• anglophone
• baritone
• bourguignon
• buspirone
• chaperon
• chaperone
• cobblestone
• collarbone
• cornerstone
• cortisone
• dictaphone
• dithizone

Kids Definition

acetone

noun

ac·​e·​tone ˈas-ə-ˌtōn 

: 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 

: 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

ˌas-ə-ˈtän-ik 

adjective