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
By merging molecular-level engineering with practical performance, this work moves organic batteries from experimental curiosity to industrial potential.
—
Neetika Walter, Interesting Engineering, 23 Oct. 2025
Richard Woychik, a molecular geneticist, is the outgoing director of the NIH’s National Institute of Environmental Health Sciences (NIEHS), which is located in Research Triangle Park, North Carolina.
—ArsTechnica, 23 Oct. 2025
Saturated fatty acids like stearic acid and palmitic acid are generally the most effective fatty acids in barrier repair moisturizers because of their molecular structure.
—Leslie Baumann, Miami Herald, 23 Oct. 2025
Insight from scrambling could even provide details that would allow quantum technologists to achieve precise molecular simulations with their machines.
—Dan Garisto, Scientific American, 22 Oct. 2025
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.
Neetika Walter, Interesting Engineering, 23 Oct. 2025
Richard Woychik, a molecular geneticist, is the outgoing director of the NIH’s National Institute of Environmental Health Sciences (NIEHS), which is located in Research Triangle Park, North Carolina.
—ArsTechnica, 23 Oct. 2025
Saturated fatty acids like stearic acid and palmitic acid are generally the most effective fatty acids in barrier repair moisturizers because of their molecular structure.
—Leslie Baumann, Miami Herald, 23 Oct. 2025
Insight from scrambling could even provide details that would allow quantum technologists to achieve precise molecular simulations with their machines.
—Dan Garisto, Scientific American, 22 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 24 Oct. 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?
Merriam-Webster unabridged
Share