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

Umurzokov planned to concentrate in biochemistry and molecular biology on his way to becoming a neurosurgeon, and in high school in Virginia served as president of his Model United Nations chapter and Scholastic Bowl team captain, Paxson said. —Michael Loria, USA Today, 16 Dec. 2025

Umurzokov, a dual citizen of the US and Uzbekistan, planned to study biochemistry and molecular biology to further his dream of being a doctor, Paxson said. —Alisha Ebrahimji, CNN Money, 16 Dec. 2025

Mukhammad Aziz Umurzokov Mukhammad Aziz Umurzokov was an 18-year-old freshman studying biochemistry and neuroscience, The Associated Press reports. —Sarah Lynch Baldwin, CBS News, 15 Dec. 2025

Smart implants may monitor biochemistry in real time, releasing microdoses of medication as needed. —Ascend Agency, Mercury News, 2 Dec. 2025

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