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

Definition of biochemistry

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

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Other Words from biochemistry

biochemist \ ˌbī-​ō-​ˈke-​mist How to pronounce biochemist (audio) \ noun

Examples of biochemistry in a Sentence

advances in the field of biochemistry

Recent Examples on the Web

People reported that Maddox will study biochemistry at Yonsei, a private university in Seoul that is ranked 316th on U.S. News and World Report’s rankings of the world’s top 1,200 universities. Martha Ross, The Mercury News, "No ordinary state college for Angelina Jolie’s son Maddox," 6 Aug. 2019 The theory of biological evolution is so well established because the evidence for it from so many independent sources of inquiry — paleontology, genetics, biochemistry, cladistics, morphology — fits so well together. Quanta Magazine, "How Triangulation Leads to Knowledge," 4 Jan. 2018 Cobo chose to study biochemistry and would become a pharmacist and chemistry professor and researcher. Darryl Ratcliff, Dallas News, "Latina artists in Dallas showcase 'were told ‘no,’ and they triumphed anyway’," 25 July 2019 So far, much of Impossible’s work has focused on the biochemistry of fish flavor, which can be reproduced using heme, the same protein undergirding its meat formula, according to Pat Brown, the company’s chief executive. David Yaffe-bellany, New York Times, "The Fish Is Boneless. (Fishless, Too.)," 10 July 2019 At the time, his biography on Bentley’s website described Genest as having a doctorate in chemistry and biochemistry from George Mason University in Fairfax, Virginia. Nate Gartrell, The Mercury News, "East Bay teacher, later charged with child molestation, falsely claimed to have a PhD. He was employed at a high school anyway," 28 June 2019 No nutrients means no energy, and yeast cells need energy to pump protons out of their cytoplasm to maintain the neutral pH essential for their biochemistry. Quanta Magazine, "‘Lava-Lamp’ Proteins May Help Cells Cheat Death," 26 Nov. 2018 Jill Belgen of Sugar Land, sophomore, Dean’s List, College of Agricultural Sciences and Natural Resources, biochemistry. Houston Chronicle, "Fort Bend County-area students earn college honors nationwide," 21 June 2019 Schoonover, a professor of chemistry and biochemistry at California Polytechnic State University at San Luis Obispo, could not be reached for comment Friday, and the State Department referred questions to the White House., "White House blocks intelligence agency’s written warning on climate change," 8 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biochemistry.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of biochemistry

1848, in the meaning defined at sense 1

History and Etymology for biochemistry

International Scientific Vocabulary

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Statistics for biochemistry

Last Updated

22 Aug 2019

Look-up Popularity

Time Traveler for biochemistry

The first known use of biochemistry was in 1848

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More Definitions for biochemistry



English Language Learners Definition of biochemistry

: the chemistry of living things


bio·​chem·​is·​try | \ -ˈkem-ə-strē How to pronounce biochemistry (audio) \
plural biochemistries

Medical Definition of biochemistry

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

Spanish Central: Translation of biochemistry

Nglish: Translation of biochemistry for Spanish Speakers

Comments on biochemistry

What made you want to look up biochemistry? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

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