biochemistry

noun

bio·​chem·​is·​try ˌbī-ō-ˈke-mə-strē How to pronounce biochemistry (audio)
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 noun

Examples of biochemistry in a Sentence

advances in the field of biochemistry
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But this is just a general tendency based on the biochemistry of the surface of the host cells. John Drake, Forbes.com, 27 Aug. 2025 Time in our bodies, brains, and minds is rich, dynamic, multidimensional, and deeply interdependent at all levels, from biochemistry to personal identity. Anil Seth, Big Think, 20 Aug. 2025 This process, called radiolysis, releases electrons that can then power an organism’s biochemistry—that is, its metabolism. Emma R. Hasson, Scientific American, 17 Aug. 2025 Several of the scientists NPR talked to, such as Kimiko Krieger, an assistant professor of biochemistry and molecular biology at the Bloomberg School for Public Health at Johns Hopkins University, didn't get a clear explanation as to why their funding had been pulled. Scott Neuman, NPR, 9 July 2025 See All Example Sentences for biochemistry

Word History

Etymology

International Scientific Vocabulary

First Known Use

1848, in the meaning defined at sense 1

Time Traveler
The first known use of biochemistry was in 1848

Browse Nearby Words

Cite this Entry

“Biochemistry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biochemistry. Accessed 10 Sep. 2025.

Kids Definition

biochemistry

noun
bio·​chem·​is·​try ˌbī-ō-ˈkem-ə-strē How to pronounce biochemistry (audio)
: 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 noun

Medical Definition

biochemistry

noun
bio·​chem·​is·​try -ˈkem-ə-strē How to pronounce biochemistry (audio)
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

More from Merriam-Webster on biochemistry

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!