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
Protostars are born when patches in vast molecular clouds cool and form clumps, collapsing under their gravity.
—
Robert Lea,
Space.com,
3 July 2026
What Northwestern has built is a soft molecular platform that integrates energy capture, energy storage, structural change, and catalysis into a single material.
—
New Atlas,
3 July 2026
Doing this reportedly required understanding the molecular structure of mud.
—
Mack Degeurin,
Popular Science,
2 July 2026
Daniel Fowler, a PhD molecular biologist and Chief Science Officer at S3 Genetics, says the industry’s race toward ever-higher THC numbers has quietly narrowed what’s actually available to buy.
—
Peter Su,
Forbes.com,
1 July 2026
See All Example Sentences for molecular
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.
Robert Lea,
Space.com,
3 July 2026
What Northwestern has built is a soft molecular platform that integrates energy capture, energy storage, structural change, and catalysis into a single material.
—
New Atlas,
3 July 2026
Doing this reportedly required understanding the molecular structure of mud.
—
Mack Degeurin,
Popular Science,
2 July 2026
Daniel Fowler, a PhD molecular biologist and Chief Science Officer at S3 Genetics, says the industry’s race toward ever-higher THC numbers has quietly narrowed what’s actually available to buy.
—
Peter Su,
Forbes.com,
1 July 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 5 Jul. 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?
Merriam-Webster unabridged
