smokeless powder

1. The Americans did not have the smokeless powder.
   美军没有无烟火药。
2. Smokeless powder refers to colloided nitrocellulose either alone or in admixture with nitroglycerin or other material.
   无烟药是指单独的胶质硝化棉或与硝化甘油和其它物质形成的混合物。
3. It became obsolete in the 1880s when the invention of smokeless powder led to development of a truly automatic machine gun.
   19世纪80年代随着无烟火药的发明，导致研发出真正的自动机枪，格林机枪随即被淘汰。
4. The nitramine ethers perform two functions in the smokeless powder composition.
   硝胺醚在无烟火药成份中有两种作用。

noun

1. an explosive (trade name Ballistite) that burns with relatively little smoke

   Synonym:    Ballistite