acrolein
/ˈækɹəˌlin/noun
acrolein is spelled A-C-R-O-L-E-I-N: 8 letters and 3 syllables. It appears about once in every 20 million words in written English, the 136,649th most frequent word form (wordfreq, 2021 data). As a noun, acrolein means “A pungent, acrid, poisonous liquid aldehyde, CH₂=CH-CH=O, made by the destructive distillation of glycerol” (English Wiktionary, September 2026). The plural of acrolein is acroleins.
How many letters and syllables are in acrolein?
| Letters | 8: A-C-R-O-L-E-I-N |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 20 million words; the 136,649th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
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); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is acrolein?
Acrolein appears about once in every 20 million words in written English, the 136,649th 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 acrolein?
- UK /ˈækɹəliːn/
- UK /əˈkɹəʊliɪn/
- US /ˈækɹəˌlin/
Acrolein has 3 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).
What rhymes with acrolein?
No other word on PlainSpell ends in the same sounds as acrolein (/ækɹəlin/).
Spelled with the same letters in another order: caroline, lonicera.
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 acrolein
- acroleins plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does acrolein mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A pungent, acrid, poisonous liquid aldehyde, CH₂=CH-CH=O, made by the destructive distillation of glycerol.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Acrolein in Spanish, French, German and Portuguese
In the sense a pungent, acrid, poisonous liquid aldehyde:
| Language | Words |
|---|---|
| Portuguese | acroleína |
| Spanish | acroleína |
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 acrolein come from?
Borrowed from German Acrolein, from Latin acer (“sharp”) + oleō (“smell”, verb) + -in.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).