n.
Pronunciation: yü- ' bi-kw ə - ˌ n ō n, ˌ yü-b ə -kwi- ' n ō n
Function: noun
Etymology: blend of Latin ubique everywhere and English quinone; from its widespread occurrence in nature
Date: 1958
: any of a group of lipid-soluble quinones that are found especially in mitochondria, have a long isoprenoid side chain, and function in oxidative phosphorylation as electron-carrying coenzymes in electron transport