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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.

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

From Science Daily • Apr. 7, 2026

This molecule, known as the deprotonated dimer H3PO4·H2PO4-, became the focus of the study.

From Science Daily • Apr. 7, 2026

To examine it in detail, scientists created the molecule in the lab and cooled it to extremely low temperatures.

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

This was the earliest ancestor of deoxyribonucleic acid, DNA, the master molecule of life on Earth.

From "Cosmos" by Carl Sagan




Vocabulary lists containing molecule