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

And with only one other animal known to mineralize sulfide, the scaly-foot snail, the find expands the short list of species capable of such biochemical feats. —New Atlas, 16 Nov. 2025

Studies show this biochemical shift can help reduce anxiety and promote mental and physical calm. —Daryl Austin, USA Today, 13 Nov. 2025

The researchers plan to adapt the system to measure more nutrients and biochemical markers. —Neetika Walter, Interesting Engineering, 10 Nov. 2025

Since then, research into the disease and its origins has expanded significantly, uncovering genetic, biochemical and environmental factors that may contribute to its onset and progression. —The San Diego Union Tribune, San Diego Union-Tribune, 8 Nov. 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