Words starting with tungsten

8 letter words starting with tungsten

• tungsten — a rare, metallic element having a bright-gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high-speed cutting tools, electric-lamp filaments, etc. Symbol: W; atomic weight: 183.85; atomic number: 74; specific gravity: 19.3.
• tungsten carbide — a very hard, black or gray compound of tungsten and carbon, used in the manufacture of cutting and abrasion tools, dies, and wear-resistant machine parts.
• tungsten carbide insert studded bit — A tungsten carbide insert studded bit is a drill bit in the form of a steel tube with a bottom rim that has pieces of tungsten carbide (= a hard gray chemical compound) in it.
• tungsten lamp — an incandescent electric lamp in which the filament is made of tungsten.
• tungsten rating — a film-speed rating that indicates the relative sensitivity of a particular film stock to light from incandescent lamps with tungsten filaments.