| smokeless powder | (n) an explosive (trade name Ballistite) that burns with relatively little smoke; contains pyrocellulose and is used as a propellant, Syn. Ballistite |
| Smokeless powder | . A high-explosive gunpowder whose explosion produces little, if any, smoke. It is usually based on guncotton (nitrocellulose). [ Webster 1913 Suppl. +PJC ] |