Noun
nitroguanidine (countable and uncountable, plural nitroguanidines)
English Wikipedia has an article on:nitroguanidineWikipedia
(chemistry) A colourless, crystalline solid manufactured from guanine and used in explosives and pesticides.
Nitroguanidine produces large amounts of nitrogen when heated, which had the benefit of reducing the muzzle flash, and its lower burning temperature greatly reduced the erosion of the gun barrel. Source: Internet