molecular

adjective

mo·​lec·​u·​lar mə-ˈle-kyə-lər How to pronounce molecular (audio)
1
: of, relating to, consisting of, or produced by molecules
molecular oxygen
2
: of or relating to individual or small components
a molecular view of the American Civil War
molecularly adverb

Examples of molecular in a Sentence

Recent Examples on the Web
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The fungicides typically have the same molecular targets as antifungal drugs. Kaitlin Sullivan, NBC news, 9 July 2025 Christine Brown, a molecular biologist and director of the T Cell Therapeutics Research Laboratory at City of Hope cancer center based in Duarte, said the approach does appear to be novel. Paul Sisson, San Diego Union-Tribune, 6 July 2025 Scientific capabilities are soaring, with new tools allowing researchers to examine single cells in precise detail, probe every gene in the genome, and even trace diseases at the molecular level. Los Angeles Times, 6 July 2025 In particular, quantum simulations allow healthcare professionals to model and analyze complex organic methods at a molecular level, thus accelerating the discovery of new drugs. Klaudia Zaika, Forbes.com, 2 July 2025 See All Example Sentences for molecular

Word History

First Known Use

1770, in the meaning defined at sense 1

Time Traveler
The first known use of molecular was in 1770

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Cite this Entry

“Molecular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular. Accessed 19 Jul. 2025.

Kids Definition

molecular

adjective
mo·​lec·​u·​lar mə-ˈlek-yə-lər How to pronounce molecular (audio)
: of, relating to, or produced by molecules

Medical Definition

molecular

adjective
mo·​lec·​u·​lar mə-ˈlek-yə-lər How to pronounce molecular (audio)
1
: of, relating to, consisting of, or produced by molecules
molecular oxygen
2
: relating to or emphasizing individual responses or structures of behavior
proceed by more and more detailed analysis to the molecular facts of perceptionG. A. Miller
compare molar entry 3 sense 2
molecularity noun
plural molecularities
molecularly adverb

More from Merriam-Webster on molecular

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