bio·​mol·​e·​cule | \ ˌbī-ō-ˈmä-li-ˌkyül How to pronounce biomolecule (audio) \

Definition of biomolecule

: an organic molecule and especially a macromolecule (such as a protein or nucleic acid) in living organisms

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Other Words from biomolecule

biomolecular \ ˌbī-​ō-​mə-​ˈle-​kyə-​lər How to pronounce biomolecular (audio) \ adjective

Examples of biomolecule in a Sentence

Recent Examples on the Web For Wiemann, the first clues to how biomolecules might persist for hundreds of millions of years came from dinosaur eggs. Gretchen Vogel, Science | AAAS, "Warm-blooded velociraptors? Fossilized proteins unravel dinosaur mysteries," 8 Oct. 2019 In essence, this method allows researchers to freeze a biomolecule in solution then fire electrons at it to study its structure up close. Jason Daley, Smithsonian, "Herpes Is Kind of Beautiful, On the Molecular Level," 6 Apr. 2018 The 2017 Nobel Prize in Chemistry was awarded jointly to Jacques Dubochet, Joachim Frank and Richard Henderson for developing cryo-electron microscopy that can determine high-resolution structures of biomolecules in solution. Steve Mirsky, Scientific American, "Nobel Prize Explainer: Catching Proteins in the Act," 4 Oct. 2017 Plants, like all living things, need nitrogen to build amino acids and other essential biomolecules. Diana Gitig, Ars Technica, "Plants repeatedly got rid of their ability to obtain their own nitrogen," 27 May 2018 While researchers first developed the technique in the 1970s and 1980s, recent advances in computing power have transformed what was once 2D images into detailed 3D models of biomolecules, with increasingly fine resolution. Jason Daley, Smithsonian, "Herpes Is Kind of Beautiful, On the Molecular Level," 6 Apr. 2018 The device is equipped with bacteria engineered to sense particular biomolecules in the gastrointestinal tract, and it could be tailored to any number of disease-relevant molecules. David Grossman, Popular Mechanics, "Ingestible Medical Device Can Tell Your Phone What's Happening in Your Gut," 24 May 2018 The technique helped visualize biomolecules—everything from the needles that bacteria use to attack cells to the structure of Zika virus—with unprecedented detail. Giorgia Guglielmi, Science | AAAS, "Top stories: Science Nobels, a giant insect back from the dead, and how Neandertal DNA makes you fat," 6 Oct. 2017 Already, researchers have used the imaging technique to expose for the first time the structure of hundreds of key biomolecules, including the Zika virus and proteins that cause antibiotic resistance or impede chemotherapy. David Gauthier-villars, WSJ, "Nobel Prize in Chemistry Awarded to Three Scientists for 3-D Imaging of Biomolecules," 5 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biomolecule.' 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 biomolecule

1938, in the meaning defined above

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Time Traveler for biomolecule

Time Traveler

The first known use of biomolecule was in 1938

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Cite this Entry

“Biomolecule.” The Dictionary, Merriam-Webster Inc., Accessed 28 January 2020.

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More Definitions for biomolecule


bio·​mol·​e·​cule | \ -ˈmäl-i-ˌkyü(ə)l How to pronounce biomolecule (audio) \

Medical Definition of biomolecule

: an organic molecule and especially a macromolecule (as a protein or nucleic acid) in living organisms

Other Words from biomolecule

biomolecular \ -​mə-​ˈlek-​yə-​lər How to pronounce biomolecular (audio) \ adjective

More from Merriam-Webster on biomolecule

Rhyming Dictionary: Words that rhyme with biomolecule

Comments on biomolecule

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


showing steady, earnest care and effort

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