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
When spiders produce silk, the glands in their abdomen alter water content, control acidity, align proteins, and effectively reorganize molecular bonds.
—
Christopher McFadden, Interesting Engineering, 23 May 2026
Silicone and plastic are both classified as polymers, but they are built differently at the molecular level.
—Ryan Brennan
may 22, Charlotte Observer, 22 May 2026
The company makes the recycling process traceable through embedding molecular markers into the plastics and producing a digital chain-of-custody system.
—Felysha Walker, Miami Herald, 22 May 2026
Within health, data scientists are using AI to interrogate complex 3D molecular structures, dramatically speeding early-stage drug discovery and optimizing development pathways.
—Wendy Stewart, Forbes.com, 20 May 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.
Christopher McFadden, Interesting Engineering, 23 May 2026
Silicone and plastic are both classified as polymers, but they are built differently at the molecular level.
—Ryan Brennan
may 22, Charlotte Observer, 22 May 2026
The company makes the recycling process traceable through embedding molecular markers into the plastics and producing a digital chain-of-custody system.
—Felysha Walker, Miami Herald, 22 May 2026
Within health, data scientists are using AI to interrogate complex 3D molecular structures, dramatically speeding early-stage drug discovery and optimizing development pathways.
—Wendy Stewart, Forbes.com, 20 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 27 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?
Merriam-Webster unabridged
