mo·​lec·​u·​lar | \ mə-ˈle-kyə-lər How to pronounce molecular (audio) \

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 \ mə-​ˈle-​kyə-​lər-​lē How to pronounce molecularly (audio) \ adverb

Examples of molecular in a Sentence

Recent Examples on the Web The molecular structure of the atmosphere has changed. Michael S. Hopkins, The Christian Science Monitor, "Zumba in lockdown," 24 June 2020 Yadav studied molecular ecology at the National Centre for Biological Sciences in Bangalore, India, but realized early in his scientific career that his real passion was for storytelling. National Geographic, "Prasenjeet Yadav," 23 June 2020 Isaac Sebenius graduated from Harvard College in May 2020 with a degree in molecular and cellular biology. Isaac Sebenius, STAT, "How many needless Covid-19 deaths were caused by delays in responding? Most of them," 19 June 2020 Pool testing is when samples from several individuals are tested together in a single tube using sensitive molecular biological detection methods to get a single test result. Adrianna Rodriguez, USA TODAY, "Trump administration considering 'pool testing' for coronavirus, Fauci says. Here's what that means.," 26 June 2020 Hotez is also a professor of pediatrics and molecular virology and microbiology, and is working on a potential Covid-19 vaccine. Faith Karimi And Douglas Wood, CNN, "'Apocalyptic' coronavirus surges feared in major cities as most populous states hit record numbers," 25 June 2020 Today 43 of the 47 countries in its Africa region can do molecular testing for covid-19, up from just two at the start of the year. The Economist, "Testing times African countries are struggling to keep track of covid-19," 20 June 2020 Why that gene matters remains unknown, according to co-author Andre Franke, a professor of molecular medicine at the University of Kiel in Germany. Anchorage Daily News, "The ultimate COVID-19 mystery: Why does it spare some and kill others?," 17 June 2020 The gold standard tests recommended by the WHO are molecular assays, such as reverse transcription polymerase chain reaction (RT-PCR). Sarah Wild, Scientific American, "African Countries Scramble to Ramp up Testing for COVID-19," 16 June 2020

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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Time Traveler for molecular

Time Traveler

The first known use of molecular was in 1770

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Statistics for molecular

Last Updated

4 Jul 2020

Cite this Entry

“Molecular.” Dictionary, Merriam-Webster, Accessed 6 Jul. 2020.

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More Definitions for molecular


mo·​lec·​u·​lar | \ mə-ˈle-kyə-lər How to pronounce molecular (audio) \

Kids Definition of molecular

: of or relating to a molecule molecular structure


mo·​lec·​u·​lar | \ mə-ˈlek-yə-lər How to pronounce molecular (audio) \

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 How to pronounce molecularity (audio) \ noun, plural molecularities
molecularly \ mə-​ˈlek-​yə-​lər-​lē How to pronounce molecularly (audio) \ adverb

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