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rotenone

noun

rotenone is spelled R-O-T-E-N-O-N-E: 8 letters. It appears about once in every 20 million words in written English, the 134,976th most frequent word form (wordfreq, 2021 data). As a noun, rotenone means “A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide” (English Wiktionary, September 2026). The plural of rotenone is rotenones.

How many letters and syllables are in rotenone?

Letters8: R-O-T-E-N-O-N-E
In writingabout once in every 20 million words; the 134,976th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is rotenone?

Rotenone appears about once in every 20 million words in written English, the 134,976th 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 rotenone?

  • US

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-rotenone.wav, Wikimedia Commons (author and licence on each file's page).

Forms of rotenone

  • rotenones plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does rotenone mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does rotenone come from?

From Japanese ローテン (rōten) + -one (“ketone”), from Hokkien 蘆藤 /芦藤 (lôo-tîn, “Derris elliptica”).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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