Longman Dictionary of Contemporary English homepage

Date: 1700-1800
Language: Swedish
Origin: tung 'heavy' + sten 'stone'

tungsten

 noun
     
Related topics: Elements
tung‧sten [uncountable]
HCE a hard metal that is used to make steel and in the thin wires in electric light bulbs. It is a chemical element: symbol W
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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