tungsten
Cross references: 1. wolfram 2. element tung.sten \'t*n(k)-st*n\ n [Sw, fr. tung heavy + sten stone] : a gray-white heavy high-melting ductile hard polyvalent metallic element that resembles chromium and molybdenum in many of its properties and is used esp. for electrical purposes and in hardening alloys (as steel)