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
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Designed at molecular level Lowering the temperature needed for CO2 release can reduce energy use by allowing the process to run on industrial waste heat instead of dedicated heating systems.
—
Neetika Walter, Interesting Engineering, 27 Mar. 2026
By combining these two techniques, the team collected a series of still frames for a molecular movie and learned what exactly was in motion in between those frames.
—Jacek Krywko, Scientific American, 25 Mar. 2026
Sungboon Editor Deep Collagen Overnight Mask Sungboon Editor’s Deep Collagen Overnight Mask is all about plumping, with its hyper-concentrated dose of 2,160,000 PPB low-molecular collagen.
—Lily Wohlner, Allure, 25 Mar. 2026
What to read next Plus, our SMS atmosphere models still need to include things like molecular opacities and models for stars cooler than 7,000 Kelvin, which could clear up some of these discrepancies.
—Paul Sutter, Space.com, 23 Mar. 2026
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Neetika Walter, Interesting Engineering, 27 Mar. 2026
By combining these two techniques, the team collected a series of still frames for a molecular movie and learned what exactly was in motion in between those frames.
—Jacek Krywko, Scientific American, 25 Mar. 2026
Sungboon Editor Deep Collagen Overnight Mask Sungboon Editor’s Deep Collagen Overnight Mask is all about plumping, with its hyper-concentrated dose of 2,160,000 PPB low-molecular collagen.
—Lily Wohlner, Allure, 25 Mar. 2026
What to read next Plus, our SMS atmosphere models still need to include things like molecular opacities and models for stars cooler than 7,000 Kelvin, which could clear up some of these discrepancies.
—Paul Sutter, Space.com, 23 Mar. 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 31 Mar. 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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