ubi·​qui·​none | \ yü-ˈbi-kwə-ˌnōn How to pronounce ubiquinone (audio) , ˌyü-bə-kwi-ˈnōn How to pronounce ubiquinone (audio) \

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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Cite this Entry

“Ubiquinone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ubiquinone. Accessed 12 Jul. 2020.

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ubi·​qui·​none | \ yü-ˈbik-wə-ˌnōn How to pronounce ubiquinone (audio) , ˌyü-bi-kwi-ˈnōn How to pronounce ubiquinone (audio) \

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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