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lactone

French, noun/lak.tɔn/

lactone is spelled L-A-C-T-O-N-E (7 letters) and appears about once in every 26 million words in written French, the 164,661st most frequent French word form (wordfreq, 2021 data). Lactone is a French feminine noun meaning “lactone” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Un hétérocycle oxygéné, provenant de la cyclisation (ou lactonisation) d'hydroxyacides (acide lactique, acide…”.

What does lactone mean in English?

noun

  1. 1

    femininelactone

Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).

How French dictionaries define it

noun: 1. Un hétérocycle oxygéné, provenant de la cyclisation (ou lactonisation) d'hydroxyacides (acide lactique, acide hydroxybutyrique) par estérification interne.

The definition in the French Wiktionary (Wiktionnaire), in French.

Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of lactone

  • lactones plural

Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce lactone?

  • /lak.tɔn/
  • \lak.tɔn\

Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

English words that translate to lactone

Source: the translation tables of the English Wiktionary, dump of September 2, 2026.

How common is lactone in French?

lactone appears about once in every 26 million words in written French.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

What to look up after lactone