Noun
English Wikipedia has an article on:spermineWikipedia
spermine (countable and uncountable, plural spermines)
(organic chemistry) A polyamine, N,N'-bis(3-aminopropyl) butane-1,4-diamine, originally extracted from sperm, that is involved in cellular metabolism.
Micro-constants spermine A base such as spermine has a few different sites where protonation can occur. Source: Internet