molecular
adjective
mo·lec·u·lar
mə-ˈle-kyə-lər 
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
Examples of molecular in a Sentence
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Meanwhile, molecular biologist and science journalist Kai Kupferschmidt suggested in Science Magazine that influenza epidemics may become less severe as the planet warms, but outbreaks may become more common, rather than season-dependent.
—
Miranda Jeyaretnam, Time, 10 Oct. 2025
Twenty-one different depolymerase genes showed high expression levels, confirming active breakdown at the molecular level.
—Tejasri Gururaj, Interesting Engineering, 9 Oct. 2025
In a way, MOFs are like molecular hotels with countless doors, each programmed to admit only certain guests.
—Stavroula Alina Kampouri, The Conversation, 9 Oct. 2025
The 2025 Nobel Prize for Chemistry was awarded for the creation of metal-organic frameworks, molecular structures that can capture CO₂, filter pollutants from water, or trap moisture from desert air.
—Tom Chivers, semafor.com, 8 Oct. 2025
See All Example Sentences for molecular
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Miranda Jeyaretnam, Time, 10 Oct. 2025
Twenty-one different depolymerase genes showed high expression levels, confirming active breakdown at the molecular level.
—Tejasri Gururaj, Interesting Engineering, 9 Oct. 2025
In a way, MOFs are like molecular hotels with countless doors, each programmed to admit only certain guests.
—Stavroula Alina Kampouri, The Conversation, 9 Oct. 2025
The 2025 Nobel Prize for Chemistry was awarded for the creation of metal-organic frameworks, molecular structures that can capture CO₂, filter pollutants from water, or trap moisture from desert air.
—Tom Chivers, semafor.com, 8 Oct. 2025
See All Example Sentences for molecular
Cite this Entry
“Molecular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular. Accessed 11 Oct. 2025.
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molecular
adjective
mo·lec·u·lar
mə-ˈlek-yə-lər
: of, relating to, or produced by molecules
Medical Definition
molecular
adjective
mo·lec·u·lar
mə-ˈlek-yə-lər
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
G. A. MillerLove words? Need even more definitions?
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