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Definitions

molecule

[mol-uh-kyool] / ˈmɒl əˌkyul /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One version of the molecule helped treat morning sickness in pregnant women, while its mirror image caused serious birth defects.

From Science Daily • Mar. 21, 2026

On Friday the patent on semaglutide - the molecule behind Danish drugmaker Novo Nordisk's blockbuster weight-loss drugs Wegovy and Ozempic - expires in the country.

From BBC • Mar. 17, 2026

The researchers discovered that intelectin-2 from both humans and mice can bind to a sugar molecule called galactose.

From Science Daily • Mar. 16, 2026

In men, those white blood cells are more likely to produce a pain-resolving molecule that can quickly quell the ache, according to a recent study in the journal Science Immunology.

From The Wall Street Journal • Mar. 13, 2026

It seems likely that the shape of the smelled molecule is what matters most.

From "The Lives of a Cell" by Lewis Thomas