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 The allegations were aired in recent months in online comments on a science forum and in a blog post by Sholto David, an independent molecular biologist. Benjamin Mueller, New York Times, 15 Feb. 2024 Using photochromic particles that react to UV light, the molecular structure — and therefore outward appearance — of Magic Ink can be altered by specific light wavelengths. Leah Dolan, CNN, 5 Feb. 2024 The suspicion was heightened by the fact that scientists in Wuhan University are known to have been working on gain-of-function experiments to determine the molecular mechanisms associated with bat viruses adapting to human infection, and the outbreak originated in Wuhan. Joel Zinberg, National Review, 26 Jan. 2024 Fatty acids are one of the molecular building blocks that make up fats. Eyleen Jorgelina O'Rourke, Discover Magazine, 25 Jan. 2024 Think of genome editing as ‘a molecular surgical procedure’ That’s the advice of Verve Therapeutics CEO Sekar Kathiresan, whose company is at work on an audacious plot to move genome editing from the world of rare disease and tackle the world’s most common cause of death. Damian Garde, STAT, 10 Jan. 2024 Led by molecular biologist Hung-Che Lin, the research team discovered that the fungus synthesizes a sort of worm adhesive and additional trapping proteins to get ahold of its meal. Elizabeth Rayne, Ars Technica, 18 Dec. 2023 In this case, the microbes’ immune system, dubbed CRISPR-Cas, or more casually, just CRISPR, shreds any viral genome that matches the sequences in their molecular memory banks. Amber Dance, Discover Magazine, 2 Feb. 2024 This molecule is produced by mitochondrial ATP synthase, a molecular machine made up of numerous parts. Corey Buhay, Smithsonian Magazine, 1 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'molecular.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1770, in the meaning defined at sense 1

Time Traveler
The first known use of molecular was in 1770

Dictionary Entries Near molecular

Cite this Entry

“Molecular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular. Accessed 20 Feb. 2024.

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
Last Updated: - Updated example sentences
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