单词	nitroguanidine
释义	nitroguanidine noun ni·​tro·​guanidine "+ : a crystalline smokeless flashless propellant HN=C(NH2)NHNO2 obtained usually by treating guanidine nitrate with concentrated sulfuric acid and used as a component in military smokeless powder (as in guns requiring rapid firing without overheating the barrel of the gun) Word History Etymology International Scientific Vocabulary nitr- + guanidine
随便看	synaxes synaxis synbranch Synbranchidae Synbranchii Synbranchoidea sync Syncarida syncarpies syncarpous syncarpouser syncarpousest syncarpousser syncarpoussest syncarps syncarpy syncategoremata syncategorematic syncategorematically syncategoreme synced syncelli syncellus syncer syncerebral

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