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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.

This revealed that tuft cells were releasing acetylcholine, a signaling molecule typically associated with nerve cells.

From Science Daily • Mar. 28, 2026

The molecule binds to the "TwinF" interface where the two proteins connect, preventing them from interacting and effectively breaking apart the toxic complex.

From Science Daily • Mar. 23, 2026

"We don't want side effects arising from poor-quality medicines and giving the molecule itself a bad name."

From BBC • Mar. 17, 2026

“If we have something that can kind of cut that pain signal, the interleukin-10 molecule, it’s a potential therapeutic avenue,” Gregus said.

From The Wall Street Journal • Mar. 13, 2026

Interrupting her harangue, I asserted that the simplest form for any regular polymeric molecule was a helix.

From "Double Helix" by James D. Watson