allene
/ˈæliːn/noun
allene is spelled A-L-L-E-N-E: 6 letters and 2 syllables. It appears about once in every 22 million words in written English, the 143,405th most frequent word form (wordfreq, 2021 data, counting Allene, the name). As a noun, allene means “Any of a class of hydrocarbons having two double bonds from one carbon atom to two others - R₂C=C=CR₂; especially the parent compound CH₂=C=CH₂…” (English Wiktionary, September 2026). The plural of allene is allenes.
How many letters and syllables are in allene?
| Letters | 6: A-L-L-E-N-E |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 22 million words; the 143,405th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is allene?
Allene appears about once in every 22 million words in written English, the 143,405th most frequent word form in the list. The list counts every capitalisation together, so this includes Allene, the name.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce allene?
- /ˈæliːn/
Allene 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)-Vealhurl-allene.wav, Wikimedia Commons (author and licence on each file's page).
Forms of allene
- allenes plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does allene mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of a class of hydrocarbons having two double bonds from one carbon atom to two others - R₂C=C=CR₂; especially the parent compound CH₂=C=CH₂ (propadiene).
- 2
Any derivative of such hydrocarbons.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Allene in Spanish, French, German and Portuguese
In the sense any of a class of hydrocarbons:
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.