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
Rather, the regenerating tissue appears to follow spatial and molecular instructions embedded within the surrounding brain.
—
Scott Travers, Forbes.com, 16 May 2026
Future applications The study used various spectroscopic methods and quantum-mechanical calculations to confirm that the molecular tether creates a unique electronic environment.
—Mrigakshi Dixit, Interesting Engineering, 14 May 2026
This rare molecular compound is found in the eggs of several fish species, but is scarce elsewhere in nature and not easy, efficient, or environmentally friendly to extract.
—Laura Baisas, Popular Science, 13 May 2026
Not every illness will reveal a single molecular target, and not every treatment will come in the form of a pill or an injection.
—Jason Liebowitz, The Atlantic, 12 May 2026
See All Example Sentences for molecular
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Scott Travers, Forbes.com, 16 May 2026
Future applications The study used various spectroscopic methods and quantum-mechanical calculations to confirm that the molecular tether creates a unique electronic environment.
—Mrigakshi Dixit, Interesting Engineering, 14 May 2026
This rare molecular compound is found in the eggs of several fish species, but is scarce elsewhere in nature and not easy, efficient, or environmentally friendly to extract.
—Laura Baisas, Popular Science, 13 May 2026
Not every illness will reveal a single molecular target, and not every treatment will come in the form of a pill or an injection.
—Jason Liebowitz, The Atlantic, 12 May 2026
See All Example Sentences for molecular
Cite this Entry
“Molecular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular. Accessed 21 May. 2026.
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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