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

Global Coordination, the third step, involves making deals with foreign countries to limit the most potentially dangerous use cases, such as making biochemical weapons. — Chloe Albanesius, PC Magazine, 13 Sep. 2026

Within living systems, bioaccumulation is heavily influenced by the physiological, anatomical, and biochemical properties of living organisms. — Encyclopedia Britannica, 3 Sep. 2026

The changes appeared shortly after astronauts entered space and largely subsided within days of their return to Earth, providing biochemical evidence that digestion slows in space. — Samantha Mathewson, Space.com, 18 Aug. 2026

While a driver may still be convicted of an OWI/DUI offense in the absence of any biochemical evidence, the particular set of circumstances surrounding Romo’s arrest could work in his favor. — Anthony Crupi, Sportico.com, 11 Aug. 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