ˈspərˌmēn, -_mə̇n noun
( -s )
Etymology: sperm- + -ine
: a deliquescent crystalline aliphatic tetramine [−CH 2 CH 2 NH(CH 2 ) 3 NH 2 ] 2 found in semen in combination with phosphoric acid, in blood serum and body tissues, and in yeast and also prepared synthetically