ˈte.trəˌsēn noun
( -s )
Etymology: alteration of tetrazene
: a yellow solid compound (H 3 N 2 C)NHNHN . N(CN 2 H 2 )NHNO made by reaction of amino-guanidine and nitrous acid and used as an explosive in priming compositions for cartridges and in combination with lead azide to reduce the flash point of the latter — called also tetrazene