quinoline
noun
quin·o·line
ˈkwi-nə-ˌlēn 
1
: a pungent oily nitrogenous base C9H7N obtained usually by distillation of coal tar or by synthesis from aniline that is the parent compound of many alkaloids, drugs, and dyes
2
: a derivative of quinoline
Examples of quinoline in a Sentence
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Top pollutants reported at facilities include chromium compounds, benzene, polycyclic aromatic compounds, cadmium compounds, nickel compounds, arsenic compounds, quinoline, manganese compounds, lead compounds and naphthalene, according to the study.
—
Maya Wilkins, Chicago Tribune, 22 Aug. 2025
Other compounds in the same class, known as quinolines, could prove to be superior treatments or serve as backups for patients who can’t tolerate hydroxychloroquine, Frantz said.
—Alia Malik, ExpressNews.com, 8 Apr. 2020
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Maya Wilkins, Chicago Tribune, 22 Aug. 2025
Other compounds in the same class, known as quinolines, could prove to be superior treatments or serve as backups for patients who can’t tolerate hydroxychloroquine, Frantz said.
—Alia Malik, ExpressNews.com, 8 Apr. 2020
Cite this Entry
“Quinoline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quinoline. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
quinoline
noun
quin·o·line
ˈkwin-ᵊl-ˌēn
1
: a pungent oily nitrogenous base C9H7N that is obtained usually by distillation of coal tar or by synthesis from aniline and is the parent compound of many alkaloids, drugs, and dyes
2
: a derivative of quinoline
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