menadione
/ˌmɛn.əˈdaɪˌoʊn/noun
menadione is spelled M-E-N-A-D-I-O-N-E: 9 letters and 4 syllables. It appears about once in every 78 million words in written English, the 279,513th most frequent word form (wordfreq, 2021 data). As a noun, menadione means “A synthetic yellow compound C₁₁H₈O₂ with the biological activity of natural vitamin K menaquinone, used to treat hemorrhage” (English Wiktionary, September 2026). The plural of menadione is menadiones.
How many letters and syllables are in menadione?
| Letters | 9: M-E-N-A-D-I-O-N-E |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 78 million words; the 279,513th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is menadione?
Menadione appears about once in every 78 million words in written English, the 279,513th 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 menadione?
- UK /ˌmɛn.əˈdʌɪ.əʊn/
- US /ˌmɛn.əˈdaɪˌoʊn/
Menadione has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with menadione?
One word on PlainSpell end in the same sounds as menadione from its last stressed vowel (/aɪoʊn/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of menadione
- menadiones plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does menadione mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A synthetic yellow compound C₁₁H₈O₂ with the biological activity of natural vitamin K menaquinone, used to treat hemorrhage.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).