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Explanation: u·bi·qui·none = n. A quinone compound that serves as an electron carrier between flavoproteins and in cellular respiration. [Latin ubº(que), everywhere; see UBIQUITY + quinone.]
ubiquity = s. ubiquità
quinone = chinone
AHD and Garzanti Online
Simon Charass Canada Local time: 18:48 Native speaker of: English, French PRO pts in pair: 116