pyrrole
/ˈpɪɹəʊl/noun
pyrrole is spelled P-Y-R-R-O-L-E: 7 letters. It appears about once in every 11 million words in written English, the 100,430th most frequent word form (wordfreq, 2021 data). As a noun, pyrrole means “Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, C₄H₅N” (English Wiktionary, September 2026). The plural of pyrrole is pyrroles.
How many letters and syllables are in pyrrole?
| Letters | 7: P-Y-R-R-O-L-E |
|---|---|
| In writing | about once in every 11 million words; the 100,430th most frequent word form |
| Wrong spellings searched | none 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 pyrrole?
Pyrrole appears about once in every 11 million words in written English, the 100,430th 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 pyrrole?
- UK /ˈpɪɹəʊl/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-pyrrole.wav, Wikimedia Commons (author and licence on each file's page).
Forms of pyrrole
- pyrroles plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does pyrrole mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, C₄H₅N.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Pyrrole in Spanish, French, German and Portuguese
In the sense any of a class of aromatic heterocyclic compounds:
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 pyrrole come from?
From German Pyrrol, corresponding to Ancient Greek πυρρός (purrhós, “reddish, fiery”) + -ole.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).