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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.

See Examples For:

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

From Science Daily ● Mar. 2, 2026

These findings carry important implications for both cancer treatment and the use of polyamine supplements.

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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