Definition of tungsten noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈtʌŋstən//
; NAmE NAmE//ˈtʌŋstən//
[uncountable] (symbol W)
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a chemical element. Tungsten is a very hard silver-grey metal, used especially in making steel and in filaments for light bulbs. Word Originlate 18th cent.: from Swedish, from tung ‘heavy’ + sten ‘stone’.
See the Oxford Advanced American Dictionary entry: tungsten