molecular

adjective

mo·​lec·​u·​lar mə-ˈle-kyə-lər How to pronounce molecular (audio)
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
molecularly adverb

Examples of molecular in a Sentence

Recent Examples on the Web
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.
Probing this critical transition using a systems biology approach, the team created a system to infer a model of the genetic network that controls cancer development, and then uses this to find a molecular switch that can reverse the process. Thomas G. Moukawsher, Newsweek, 6 Feb. 2025 By age 21, our undergraduate colleges award a bachelor of science degree in aerospace, chemical, electrical, mechanical, molecular, nuclear, and petroleum engineering, qualifying graduates for the professional engineer designation. Matthew G. Andersson, Hartford Courant, 31 Jan. 2025 According to evolutionary molecular biologist Henry Niman, in each case, there is a signature mutation on one segment of the virus — a switch at position 52 on the NP protein — in both the food samples and dead animals, providing an unmistakable link between them. Susanne Rust, Los Angeles Times, 18 Jan. 2025 Drinks have varying levels of alcoholic content, noted Jiyoung Ahn, a cancer molecular epidemiologist at New York University Langone Health. Eduardo Cuevas, USA TODAY, 3 Jan. 2025 See all Example Sentences for molecular 

Word History

First Known Use

1770, in the meaning defined at sense 1

Time Traveler
The first known use of molecular was in 1770

Dictionary Entries Near molecular

Cite this Entry

“Molecular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular. Accessed 16 Feb. 2025.

Kids Definition

molecular

adjective
mo·​lec·​u·​lar mə-ˈlek-yə-lər How to pronounce molecular (audio)
: of, relating to, or produced by molecules

Medical Definition

molecular

adjective
mo·​lec·​u·​lar mə-ˈlek-yə-lər How to pronounce molecular (audio)
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 perceptionG. A. Miller
compare molar entry 3 sense 2
molecularity noun
plural molecularities
molecularly adverb
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