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

Larsen and his colleagues still aren’t sure why ITCs lower lactate; there are a few possible biochemical explanations, but none has been proven yet. —Alex Hutchinson, Outside, 29 Oct. 2025

Magnesium is necessary for more than 300 biochemical reactions in your body. —Laura Schober, Health, 21 Oct. 2025

But de Villers-Sidani wondered what biochemical changes might be involved in brain training. —Lindsey Leake, NBC news, 19 Oct. 2025

The aim is to create something that mimics biological processes to shed light on the cascade of biochemical reactions that allowed life to first arise hundreds of millions of years ago and help solve problems in medicine, industry, the environment and basic research. —Katie Hunt, CNN Money, 17 Oct. 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