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

The larger portion of the mask is formulated with NAD+, a coenzyme that supports collagen production and soothes antioxidative stress, and the lower chin piece puts polylactic acid to work in each little microfiber of the mask to lift, firm, and improve texture and tone evenness. —Annie Blackman, Allure, 10 Apr. 2025

However, for additional beauty benefits and boosted cellular health, the brand’s unflavored powder also includes vitamin C, hyaluronic acid and nicotinamide riboside, a precursor to longevity coenzyme NAD+. —Emily Burns, Footwear News, 1 Apr. 2025

There may be a relationship between coenzyme Q10 and brain health. —Sarah Anzlovar, Ms, Rd, Verywell Health, 10 Jan. 2025

However, the purpose of the coenzyme is not just the appearance of eternal youth. —Essence, 9 Jan. 2025

Word History

First Known Use

1947, in the meaning defined above

Phrases Containing coenzyme

• acetyl coenzyme A
• coenzyme A
• coenzyme Q

Rhymes for coenzyme

• isoenzyme

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