ketone
/ˈkitoʊn/noun
ketone is spelled K-E-T-O-N-E. The wrong spelling people search most is keytone: about 290 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 12 of all searches for the word. Ketone is a noun meaning “A homologous series of organic molecules whose functional group is an oxygen atom joined to a carbon atom–by…”. The plural of ketone is ketones.
How many letters and syllables are in ketone?
| Letters | 6: K-E-T-O-N-E |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 44,767th most frequent word form |
| Wrong spellings searched | 1; the most searched, keytone, about 290 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell ketone?
Ketone is spelled K-E-T-O-N-E. One wrong spelling is searched or written often enough to measure; together they are about 1 in 12 of the searches for ketone in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is ketone?
Ketone appears about once in every 2 million words in written English, the 44,767th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce ketone?
- UK /ˈkiːtəʊn/
- US /ˈkitoʊn/
Ketone has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Tesco250-ketone.wav, En-us-ketone.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of ketone
- ketones plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ketone mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A homologous series of organic molecules whose functional group is an oxygen atom joined to a carbon atom–by a double bond–in a carbon-hydrogen based molecule.
acetone R₁ = R₂ = CH₃
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Ketone in Spanish, French, German and Portuguese
In the sense organic chemicals with the >CO functional group:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does ketone come from?
From German Keton, from Aketon (“acetone”), from French acétone (“acetone”). See acetone.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).