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
Recent Examples on the Web
In a new study, researchers aimed to create strong interactions between light and molecular vibrations.
—
IEEE Spectrum, 4 Sep. 2025
In 2016, the Chinese government launched the Major Program on Organ Aging and Degeneration, an initiative focused on studying cellular and molecular mechanisms of aging.
—Chad De Guzman, Time, 4 Sep. 2025
In the life sciences realm, the company is analyzing molecular and clinical data with the help of artificial intelligence to facilitate drug research and development.
—Robert Channick, Chicago Tribune, 3 Sep. 2025
Where our certainty about anesthesia breaks down is in linking molecular changes to specific neural pathways, or in understanding the subjective experiences of a sleep-like state.
—Rj MacKenzie, Popular Science, 3 Sep. 2025
See All Example Sentences for molecular
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IEEE Spectrum, 4 Sep. 2025
In 2016, the Chinese government launched the Major Program on Organ Aging and Degeneration, an initiative focused on studying cellular and molecular mechanisms of aging.
—Chad De Guzman, Time, 4 Sep. 2025
In the life sciences realm, the company is analyzing molecular and clinical data with the help of artificial intelligence to facilitate drug research and development.
—Robert Channick, Chicago Tribune, 3 Sep. 2025
Where our certainty about anesthesia breaks down is in linking molecular changes to specific neural pathways, or in understanding the subjective experiences of a sleep-like state.
—Rj MacKenzie, Popular Science, 3 Sep. 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 9 Sep. 2025.
Copy CitationKids Definition
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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