a white or colourless basic water-soluble amine that is found in semen, sputum, and animal tissues; diaminopropyltetramethylenediamine. Formula: C10H26N4
spermine in American English
(ˈspɜrˌmin; ˈspɜrmɪn)
noun
a basic substance, C10H26N4, associated with nucleic acids and cell membranes, found in nearly all animal tissues: first found in human semen