Firework

A device for producing a striking display of light or a figure or figures in plain or colored fire by the combustion of materials that burn in some peculiar manner as gunpowder sulphur metallic filings and various salts also called a pyrotechnic device The most common feature of fireworks is a paper or pasteboard tube filled with the combustible material A number of these tubes or cases are often combined so as to make when kindled a great variety of figures in fire often variously colored The skyrocket is a common form of firework The art of designing fireworks for purposes of entertainment is called pyrotechnics The name firework is also given to various combustible preparations used in war