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

The second response is that AI doesn’t necessarily need to conform to the biochemical compositions that give rise to human intelligence. —Lance Eliot, Forbes.com, 3 July 2025

This area is, of course, very closely associated with the complex biochemical dysfunctioning seen in ADHD brains. —New Atlas, 23 June 2025

By feeding it urea extracted from human urine, the yeast initiates a biochemical chain reaction that results in the secretion of crystalline hydroxyapatite, just like osteoblasts do. —Jenny Lehmann, Discover Magazine, 19 June 2025

The secret lies in a remarkable genetic and biochemical toolkit honed through eons of evolutionary pressure. —Scott Travers, Forbes, 24 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