EC smokeless powder
EC smokeless powder[¦ē¦sē ¦smōk·ləs ′pau̇d·ər]
An explosive powder used chiefly in blank cartridges, but also in some .22-caliber and shotgun ammunition, and formerly in fragmentation grenades. Also known as EC blank fire; EC blank powder.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.