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tungsten

noun [U]
 
 
/ˈtʌŋ.stən/ (symbol W)

Definition

a chemical element that is a hard metal used in making light bulbs and strong types of steel: tungsten steelChemical elementsMetals and metalworkingChemical elements
(Definition of tungsten noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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