Meaning of polyamine in English:
polyamine
Pronunciation /ˌpɒlɪˈeɪmiːn/ /ˌpɒlɪˈamiːn/ /ˌpɒlɪəˈmiːn/
noun
An organic compound which contains two or more amine groups.
Origin
Mid 19th century; earliest use found in Proceedings of the Royal Society of London.