polyamine
noun
poly·amine
ˈpä-lē-ə-ˌmēn 
ˌpä-lē-ˈa-ˌmēn
ˌpä-lē-ˈa-ˌmēn
: a compound characterized by more than one amino group
Examples of polyamine in a Sentence
Recent Examples on the Web
Stronger grip, slower flow The membrane in question is made of crosslinked polyamines, a class of carbon dioxide-attracting polymers.
—
Neetika Walter, Interesting Engineering, 21 Nov. 2025
Fatty Fish Fatty fish, such as salmon, mackerel, herring, and sardines, are rich in omega-3 fatty acids, tryptophan (an amino acid), taurine, and polyamines.
—Cathy Nelson, Verywell Health, 19 Nov. 2025
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
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, Smithsonian Magazine, 10 Dec. 2024
To make: Stir acrylic crafts paint into a 1:1 mixture of epoxy resin and polyamine hardener.
—Sarah Martens, Better Homes & Gardens, 6 Dec. 2023
The biogenic polyamine complex is included in Fast Lean Pro to help with fat breakdown and support cell renewal.
—Amber Smith, Discover Magazine, 25 May 2023
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Neetika Walter, Interesting Engineering, 21 Nov. 2025
Fatty Fish Fatty fish, such as salmon, mackerel, herring, and sardines, are rich in omega-3 fatty acids, tryptophan (an amino acid), taurine, and polyamines.
—Cathy Nelson, Verywell Health, 19 Nov. 2025
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
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, Smithsonian Magazine, 10 Dec. 2024
To make: Stir acrylic crafts paint into a 1:1 mixture of epoxy resin and polyamine hardener.
—Sarah Martens, Better Homes & Gardens, 6 Dec. 2023
The biogenic polyamine complex is included in Fast Lean Pro to help with fat breakdown and support cell renewal.
—Amber Smith, Discover Magazine, 25 May 2023
Cite this Entry
“Polyamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyamine. Accessed 30 Nov. 2025.
Copy CitationMedical Definition
polyamine
noun
poly·amine
ˈpäl-ē-ə-ˌmēn
ˌpäl-ē-ˈam-ˌēn
ˌpäl-ē-ˈam-ˌēn
: a compound characterized by more than one amino group
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