noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˈkwɪnəʊn/
Southern-England:Recorded audio is listed in the source snapshot.
Canada, General-American:/ˈkwɪnoʊn/
Australian:/ˈkwɪnəʉn/
1
noun
Meaning 1
Any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: benzoquinone
Antonyms: none provided
Broader terms: compound, chemical compound
Narrower terms: ubiquinone, coenzyme Q
History
Etymology
Etymology tree English quinine Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English quinic German Ketonbor. English ketone English -one English quinone From quinic acid + -one, since it is one of the compounds obtained upon oxidation of quinic acid.
Across languages
Translations
15 source translations are retained for this English entry.