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

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 The science is quite clear: Crop improvement by the modern molecular techniques of biotechnology is safe. Mark Lynas, WSJ, "Confession of an Anti-GMO Activist," 22 June 2018 A century later, the advent of modern molecular techniques confirmed that surgical masks can indeed provide good protection against flu. Richard Klasco, M.d., New York Times, "Do Face Masks Really Keep You Healthy?," 23 Mar. 2018 Before scientists were able to work out the complex organics in the plumes of Enceladus, NASA managed to determine that a smaller substance is abundant in the moon's waters: molecular hydrogen. Jay Bennett, Popular Mechanics, "Saturn's Moon Enceladus Is Spewing Complex Organic Molecules Into Space," 27 June 2018 Instead, lifespan is probably limited by multiple factors, and these factors may even be an inevitable consequence of the molecular mechanisms of life. WSJ, "Is There a Limit to the Human Lifespan?," 24 June 2018 In fact, the 2017 Nobel Prize in Physiology or Medicine was awarded to researchers who identified molecular mechanisms that control the process. New York Times, "These Lights Are Like a Mood Ring for Your Room," 8 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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Last Updated

11 Sep 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

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