n. 无烟火药

[化] 弹道炸药; 波里斯太特(硝棉、硝酸甘油炸药)

[ noun ]
an explosive (trade name Ballistite) that burns with relatively little smoke; contains pyrocellulose and is used as a propellant
<noun.substance>

Ballistite \Bal"lis*tite\, n. [See {Ballista}.] (Chem.)
A smokeless powder containing equal parts of soluble
nitrocellulose and nitroglycerin.
[Webster 1913 Suppl.] ||