| Noun | 1. | tungsten - a heavy gray-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelitemetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. scheelite - a mineral used as an ore of tungsten iron manganese tungsten, wolframite - a mineral consisting of iron-manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks | |