ubiquinone

noun
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

Keep scrolling for more

Learn More About ubiquinone

Time Traveler for ubiquinone

Time Traveler

The first known use of ubiquinone was in 1958

See more words from the same year

Statistics for ubiquinone

Cite this Entry

“Ubiquinone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ubiquinone. Accessed 17 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for ubiquinone

ubiquinone

noun
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

More from Merriam-Webster on ubiquinone

Britannica.com: Encyclopedia article about ubiquinone

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Dog Breeds

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!