: a compound characterized by more than one amino group

Examples of polyamine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Some could produce molecules, known as polyamines, that can open and close junctions, which are like little doors in the barrier that allow molecules to pass through. Yasemin Saplakoglu, WIRED, 5 Jan. 2025 This powerful formula combines polyamine growth factors with the nourishing benefits of eggshell membranes to strengthen your skin’s natural barrier while boosting elasticity and smoothness. Jenny Berg, Allure, 19 Dec. 2024

Word History

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of polyamine was in 1861

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Cite this Entry

“Polyamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyamine. Accessed 10 Mar. 2025.

Medical Definition

: a compound characterized by more than one amino group
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