Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Origin: Mercury

mercury

 noun
     
Related topics: Elements
mercury [uncountable]
HCE a heavy silver-white poisonous metal that is liquid at ordinary temperatures, and is used in thermometers. It is a chemical element: symbol Hg
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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