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WordNet 3.0Copyright Princeton University
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n. - Any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins.

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Usage examples (34)
  • Drink tonic water the quinone is a nerve relaxant and try Naphcon A eye drops.
  • A spent quinone liquor contains considerable amounts of hydroquinone.
  • The figure shows how the photosynthetically active components bacteriochlorophyll (BK), bacteriopheophytin (BF), quinone
  • The Zeta crystallin, quinone reductase, found in some mammals is transcribed from a lens specific promoter not present in other mammals.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.