demolish verb [T] (DESTROY). B2 to âcompletely âdestroy a âbuilding, âespecially in âorder to use the âland for something âelse: A ânumber of âhouses were demolished so that the âsupermarket could be âbuilt. C2 to âprove that an âargument or âtheory is âwrong: He âcompletely demolished all her âarguments.More examples. The â building had to be demolished because of â subsidence. 2  One by one the â old â buildings in the â city have been demolished and â replaced with â modern â tower â blocks. 3  The â explosion â virtually demolished several â nearby â houses.
Brass is a metal composed primarily of copper and zinc. Copper is the main component, and brass is usually classified as a copper alloy. The color of brass varies from a dark reddish brown to a light silvery yellow depending on the amount of zinc present; the more zinc, the lighter the color. Brass is stronger and harder than copper, but not as strong or hard as steel.
brass. n. 1. (Metallurgy) an alloy of copper and zinc containing more than 50 per cent of copper. Alpha brass (containing less than 35 per cent of zinc) is used for most engineering materials requiring forging, pressing, etc Alpha-beta brass (35-45 per cent zinc) is used for hot working and extrusion.Beta brass (45-50 per cent zinc) is used for castings.artridge brass-an alloy of copper and zinc (containing about 30% zinc) that is wrought into cartridges or tubing. copper-base alloy-any alloy whose principal component is copper.