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

molecularly

mə-ˈle-kyə-lər-lē 

adverb

Examples of molecular in a Sentence

Recent Examples on the Web

The microscopic gene-editors zeroed in on one of Muldoon's mutations so tiny molecular scissors could perform a kind of genetic surgery — literally rewriting his genetic code to fix his defect. —Rob Stein, NPR, 15 May 2025

Proper features a Recovery Suite with next-gen bio-optimization technology such as multi-wave-length pulsed electromagnetic fields, molecular hydrogen therapy, light and sound therapy, oxygen therapy. —Rona Berg, Forbes.com, 14 May 2025

The company’s Fundamental AI Research team released new joint research with the Rothschild Foundation Hospital and an open dataset for advancing molecular discovery. —Hayden Field, CNBC, 14 May 2025

Now, a sweeping genetic analysis by researchers at the Centers for Disease Control and Prevention suggests a tiny mutation in one of the bacteria's molecular weapons may be behind the strain's rise. —Beth Mole, ArsTechnica, 14 May 2025

Word History

First Known Use

1770, in the meaning defined at sense 1

Phrases Containing molecular

• gram molecular weight
• molecular biology
• molecular chaperone
• molecular formula
• molecular genetics
• molecular mass
• molecular orbital
• molecular sieve
• molecular weight

Rhymes for molecular

• trabecular
• bimolecular
• biomolecular
• intermolecular
• intramolecular
• macromolecular
• monomolecular
• supramolecular
• unimolecular
• secular
• specular

Kids 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

molecularity

-ˌlek-yə-ˈlar-ət-ē 

noun

plural molecularities

molecularly

mə-ˈlek-yə-lər-lē 

adverb