ubi·qui·none | \yü-ˈbi-kwə-ˌnōn, ˌyü-bə-kwi-ˈnōn \

Definition of ubiquinone 

: any of a group of lipid-soluble quinones that are found especially in mitochondria, have an isoprenoid side chain, and function in oxidative phosphorylation as electron-carrying coenzymes in electron transport

First Known Use of ubiquinone

1958, in the meaning defined above

History and Etymology for ubiquinone

blend of Latin ubique everywhere and English quinone; from its widespread occurrence in nature

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The first known use of ubiquinone was in 1958

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ubi·qui·none | \yü-ˈbik-wə-ˌnōn, ˌyü-bi-kwi-ˈnōn \

Medical Definition of ubiquinone 

: any of a group of lipid-soluble quinones that contain a long isoprenoid side chain and that function in the part of cellular respiration comprising oxidative phosphorylation as electron-carrying coenzymes in the transport of electrons from organic substrates to oxygen especially along the chain of reactions leading from the Krebs cycle especially : coenzyme q10

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