Noun
black powder (uncountable)
A simple form of gunpowder, consisting of a mixture of saltpetre, charcoal, and sulfur.
Almost all of the roadbed work had to be done manually, using shovels, picks, axes, two-wheeled dump carts, wheelbarrows, ropes, scrapers, etc., with initially only black powder available for blasting. Source: Internet
As a projectile driver, it had around six times the gas generation of an equal volume of black powder and produced less smoke and less heating. Source: Internet
Bow hunters generally enjoy longer seasons than are allowed with other forms of hunting such as black powder, shotgun, or rifle. Source: Internet
Cardboard is used for small black powder model motors, whereas aluminum is used for larger composite-fuel hobby motors. Source: Internet
Gun powder of the day is now known as black powder. Source: Internet
Health and safety regulations restrict the quantity of black powder a person may store and transport. Source: Internet