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

In the Democratic primary, the anti-establishment trend was evident in the rise of democratic socialist Karishma Manzur, a 52-year-old research scientist who holds a doctorate in biochemistry and molecular biology. — ABC News, 5 Sep. 2026

The school is dropping eight of its least-popular majors, including biochemistry and creative writing. — Bloomberg, Fortune, 31 Aug. 2026

That’s because all of these plants contain natural chemical compounds called glucosinolates, which become potent thanks to some cool biochemistry. — Encyclopedia Britannica, 26 Aug. 2026

At Stanford, the Democrat scrapped plans to study biochemistry to pursue politics. — Ben Paviour august 17, Sacbee.com, 17 Aug. 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