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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The waste is broken down to its molecular building blocks through Eastman’s patented closed-loop molecular recycling technology and combined with sustainably sourced wood pulp. Angela Velasquez, Sourcing Journal, 31 Dec. 2024 The new images show the Horsehead Nebula as turbulent waves of gas rise from the western side of Orion B, a star-forming molecular cloud located 1,300 light-years from Earth in the constellation of Orion. Josh Dinner, Space.com, 24 Dec. 2024 This methanol could only have formed on grains of carbon monoxide–rich ice, which would have filled the cold molecular cloud from which the protoplanetary disk came but would then have vaporized in the warm disk. Elise Cutts, WIRED, 22 Dec. 2024 This mosaic of images from the James Webb Space Telescope showcases the nearby star-forming cluster, NGC 1333, about 960 light-years away, in the Perseus molecular cloud. Alan Taylor, The Atlantic, 15 Dec. 2024 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

Dictionary Entries Near molecular

Cite this Entry

“Molecular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular. Accessed 6 Jan. 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
Last Updated: - Updated example sentences
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