acetone

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun the simplest ketone; a highly inflammable liquid widely used as an organic solvent and as material for making plastics

From acet- from acētum (“vinegar”). The -one was taken from margarone but further etymology is unclear. Doublet of ketone.

Equal parts of acetone, ammonia and diluted alcohol. — Practical Mechanics for Boys, James Slough Zerbe
Then perhaps I had better postpone my analysis of the acetones, as we may need to be at our best in the morning.” By eleven o’clock the next day we were well upon our way to the old English capital. — The Adventures of Sherlock Holmes, Arthur Conan Doyle
Then perhaps I had better postpone my analysis of the acetones, as we may need to be at our best in the morning.” By eleven o’clock the next day we were well upon our way to the old English capital. — Adventures of Sherlock Holmes: Illustrated, Arthur Conan Doyle

propanone, dimethyl ketone

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