biochemical

adjective

bio·​chem·​i·​cal ˌbī-ō-ˈke-mi-kəl 

1

: of or relating to biochemistry

2

: characterized by, produced by, or involving chemical reactions in living organisms

a biochemical defect in the brain

biochemical noun

biochemically

ˌbī-ō-ˈke-mi-k(ə-)lē 

adverb

Examples of biochemical in a Sentence

Recent Examples on the Web

Abscisic acid kick-starts a cascade of biochemical reactions that repress cell division and growth, while gibberellin has the opposite effect. —Katarina Zimmer, Smithsonian Magazine, 2 May 2025

Stromatolites are layered biochemical monuments created by photosynthetic cyanobacteria that once dominated Earth’s shallow seas. —Scott Travers, Forbes.com, 28 Apr. 2025

His lab found that the cells along this gradient could sense the varying levels of oxygen, which triggered a series of biochemical alterations. —Carrie Arnold, Quanta Magazine, 21 Apr. 2025

What's particularly interesting is how the sensor follows natural biochemical processes, like the way molecules are transformed and interact inside our bodies. —New Atlas, 28 Mar. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1836, in the meaning defined at sense 1

Phrases Containing biochemical

• biochemical oxygen demand

Rhymes for biochemical

• alchemical
• polemical
• academical
• agrochemical
• cytochemical
• geochemical
• histochemical
• microchemical
• neurochemical
• petrochemical
• photochemical
• phytochemical

Medical Definition

biochemical

adjective

bio·​chem·​i·​cal -ˈkem-i-kəl 

1

: of or relating to biochemistry

2

: characterized by, produced by, or involving chemical reactions in living organisms

biochemical abnormalities

biochemical processes

biochemical noun

biochemically

-k(ə-)lē 

adverb