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

Then there is the gut-brain axis, which sends biochemical messages between the nervous system and the gastrointestinal tract. —Charlotte Harpur, New York Times, 3 June 2026

The idea that metals can catalyze biochemical reactions is central to a theory about the origins of life that has emerged over the last decade. —Siddhant Pusdekar, Quanta Magazine, 1 June 2026

Honey badgers, however, have evolved a partial biochemical workaround. —Scott Travers, Forbes.com, 31 May 2026

Fleming built an experimental cabinet that provided physical and biochemical support for an animal’s head severed from its body. —Scott Lafee, San Diego Union-Tribune, 19 May 2026

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