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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.

Previous research suggested that a specific negatively charged molecule could initiate the proton-shuttling process.

From Science Daily • Apr. 7, 2026

A chelator, whose name comes from the Greek word for claw, is a type of molecule that binds tightly to metal ions.

From Science Daily • Apr. 7, 2026

First identified in the 1970s, queuosine is a tiny molecule that remained underappreciated for many years.

From Science Daily • Apr. 7, 2026

The key ingredient in Syngenta’s Virestina is a new molecule called metproxybicyclone, developed using machine-learning models.

From The Wall Street Journal • Apr. 6, 2026

“A change at one point, in one molecule even, may reverberate throughout the entire system to initiate changes in seemingly unrelated organs and tissues,” says a recent summary of the present status of medical research.

From "Silent Spring" by Rachel Carson




Vocabulary lists containing molecule