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polyamine

American  
[pol-ee-uh-meen, -am-in] / ˌpɒl i əˈmin, -ˈæm ɪn /

noun

Chemistry.
  1. a compound containing more than one amino group.


Etymology

Origin of polyamine

First recorded in 1860–65; poly- + -amine

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.

They also identified changes in bacterial pathways connected to polyamine production, adding more evidence that gut microbes may directly influence kidney health.

From Science Daily • May 8, 2026

They first reduced polyamine levels using a drug, then restored them by adding spermidine.

From Science Daily • Mar. 2, 2026

By using stable isotope tracers and analyzing gene expression, the researchers showed that S. gordonii releases a substance called ornithine that prompts F. nucleatum to produce more of a molecule called polyamine.

From Science Daily • Feb. 15, 2024

Because F. nucleatum needs methionine to produce polyamine, this enhanced polyamine production activates its methionine salvage pathway, which in turn results in increased CH3SH production.

From Science Daily • Feb. 15, 2024

Spermidine is a type of molecule called a polyamine.

From Nature • Mar. 17, 2020

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