mo·​lec·​u·​lar | \mə-ˈle-kyə-lər \

Definition of molecular 

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

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Other Words from molecular

molecularly \ -​lē \ adverb

Examples of molecular in a Sentence

Recent Examples on the Web

For Atoma, designer Alexandra Genis created 3D models of spices’ molecular compounds using cocoa butter. Diana Budds, Curbed, "The most bizarre and brilliant projects from a Dutch design fair," 5 Nov. 2018 The molecular particles are a signature of a geographic region and indicate where someone lived in youth. Mark Barna, Discover Magazine, "When Farmers and Foragers First Met," 24 Oct. 2018 Studies in nuclear physics, molecular chemistry, as well as a growing obsession with science fiction all played into the futuristic shapes and materials seen in everything from furniture to suburban homes and skyscrapers. Hillary Brown, House Beautiful, "Everything You Need To Know About Mid-Century Modern Design," 13 Sep. 2018 Tony Nolan, a molecular biologist at Imperial College London who is part of a team developing gene drives in malaria-carrying mosquitoes, is excited to see that gene drives can, at least, work in rodents. Ewen Callaway, Scientific American, "Controversial CRISPR “Gene Drives” Tested in Mammals for the First Time," 10 July 2018 The molecular biologist had relocated from France and had been working at Children’s National hospital. Dan Morse, Washington Post, "A research biologist was raped and killed 24 years ago. Police say attacker may have looked like this.," 9 July 2018 And no one better breaks down the molecular structure of a Marvel movie than Michael Pena. Jake Coyle, Detroit Free Press, "Review: 'Ant-Man' sequel is a less-is-more triumph," 5 July 2018 Chini, a faculty member at UCF since 2015, will receive $150,000 each year for the next five years for research in atomic, molecular and optical physics, which could provide new ways to generate energy. Annie Martin,, "UCF physicist will receive $750K Department of Energy grant," 21 June 2018 Our universities, private research institutions and world-class medical facilities are teaming up to use molecular and genomic data to discover the mechanisms of disease – leading to new ways to diagnose patients and tailor individual treatments. Sandra Watson, President & Ceo, azcentral, "Next-Gen tech trends: The future of Arizona," 14 May 2018

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

1770, in the meaning defined at sense 1

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Statistics for molecular

Last Updated

20 Nov 2018

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Time Traveler for molecular

The first known use of molecular was in 1770

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More Definitions for molecular


mo·​lec·​u·​lar | \mə-ˈle-kyə-lər \

Kids Definition of molecular

: of or relating to a molecule molecular structure


mo·​lec·​u·​lar | \mə-ˈlek-yə-lər \

Medical Definition of molecular 

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 perception— G. A. Miller — compare molar entry 3 sense 2

Other Words from molecular

molecularity \ -​ˌlek-​yə-​ˈlar-​ət-​ē \ noun plural -ties
molecularly \ mə-​ˈlek-​yə-​lər-​lē \ adverb

More from Merriam-Webster on molecular

Nglish: Translation of molecular for Spanish Speakers

Britannica English: Translation of molecular for Arabic Speakers

Comments on molecular

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by force of circumstances

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