quinoline
/ˈkwɪnəliːn/noun
quinoline is spelled Q-U-I-N-O-L-I-N-E: 9 letters. It appears about once in every 22 million words in written English, the 143,405th most frequent word form (wordfreq, 2021 data). As a noun, quinoline means “Any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a pyridine ring; especially the simplest such compound, C₉H₇N” (English Wiktionary, September 2026). The plural of quinoline is quinolines.
How many letters and syllables are in quinoline?
| Letters | 9: Q-U-I-N-O-L-I-N-E |
|---|---|
| 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; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is quinoline?
Quinoline appears about once in every 22 million words in written English, the 143,405th 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 quinoline?
- /ˈkwɪnəliːn/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-quinoline.oga, Wikimedia Commons (author and licence on each file's page).
Forms of quinoline
- quinolines plural
- chinoline
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does quinoline 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 benzene ring fused with a pyridine ring; especially the simplest such compound, C₉H₇N.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Quinoline in Spanish, French, German and Portuguese
In the sense any of a class of hetercyclic compounds:
| Language | Words |
|---|---|
| German | Chinolin |
| Portuguese | quinoleína |
| Spanish | quinoleína, quinolina |
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 quinoline come from?
From quinine (“Cinchona bark”) + -oline.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).