Webster's English Dictionary

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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)