biochemistry

noun

bio·​chem·​is·​try ˌbī-ō-ˈke-mə-strē 

1

: chemistry that deals with the chemical compounds and processes occurring in organisms

2

: the chemical characteristics and reactions of a particular living organism or biological substance

biochemist

ˌbī-ō-ˈke-mist 

noun

Examples of biochemistry in a Sentence

advances in the field of biochemistry

Recent Examples on the Web

But behind the social media excitement lies an organism of genuine scientific significance, one whose biochemistry has shaped entire fields of research. —Samantha Agate, Charlotte Observer, 23 Apr. 2026

One is the massive datasets created by decades of genome sequencing and protein biochemistry, which can be too much for any one researcher to take in. —ArsTechnica, 16 Apr. 2026

Associate professor of biochemistry, that's tenured. —Marcy Thompson, Scientific American, 16 Apr. 2026

However, the former biochemistry PhD student tries to maintain a positive attitude. —Vanessa Etienne, PEOPLE, 6 Apr. 2026

Word History

Etymology

International Scientific Vocabulary

First Known Use

1848, in the meaning defined at sense 1

Rhymes for biochemistry

• biogeochemistry
• chemistry
• cytochemistry
• geochemistry
• histochemistry
• neurochemistry
• photochemistry
• phytochemistry
• thermochemistry
• electrochemistry
• immunochemistry
• radiochemistry

Kids Definition

biochemistry

noun

bio·​chem·​is·​try ˌbī-ō-ˈkem-ə-strē 

: chemistry that deals with the chemical compounds and processes occurring in living things

biochemical

-ˈkem-i-kəl

adjective

biochemically

-i-k(ə-)lē

adverb

biochemist

-ˈkem-əst 

noun

Medical Definition

biochemistry

noun

bio·​chem·​is·​try -ˈkem-ə-strē 

plural biochemistries

1

: chemistry that deals with the chemical compounds and processes occurring in organisms

2

: the chemical characteristics and reactions of a particular living organism or biological substance

a change in the patient's biochemistry accompanied her psychological depression