coenzyme

noun

co·​en·​zyme (ˌ)kō-ˈen-ˌzīm 

: a thermostable nonprotein compound that forms the active portion of an enzyme system after combination with an apoenzyme

coenzymatic

(ˌ)kō-ˌen-zə-ˈma-tik 

-(ˌ)zī-

adjective

coenzymatically

(ˌ)kō-ˌen-zə-ˈma-ti-k(ə-)lē 

-(ˌ)zī-

adverb

Examples of coenzyme in a Sentence

Recent Examples on the Web

Regulating Blood Sugar Magnesium is an essential coenzyme for carbohydrate metabolism. —Amy Brownstein, Ms, Rdn, Verywell Health, 13 Jan. 2025

The coenzyme was first discovered in 1906 by British biochemists Arthur Harden and William John Young. —Essence, 9 Jan. 2025

By Ashley Abramson Editor's tip: Q10 is a coenzyme naturally present in your skin, working to energize your cells and help maintain a firm, smooth, and refreshed appearance. —Christa Joanna Lee, Allure, 27 Nov. 2024

Biotin, also known as vitamin H, B-7, or coenzyme R, is part of the B-complex group of vitamins. —Sherri Gordon, Health, 4 Aug. 2024

Word History

First Known Use

1947, in the meaning defined above

Phrases Containing coenzyme

• acetyl coenzyme A
• coenzyme A
• coenzyme Q

Medical Definition

coenzyme

noun

co·​en·​zyme (ˈ)kō-ˈen-ˌzīm 

: a thermostable nonprotein compound that forms the active portion of an enzyme system after combination with an apoenzyme compare activator sense 1

coenzymatic

(ˌ)kō-ˌen-zə-ˈmat-ik, -(ˌ)zī- 

adjective

coenzymatically

-i-k(ə-)lē 

adverb