Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: Modern Latin
Origin: English potash

potassium

 noun
     
Related topics: Elements
po‧tas‧si‧um [uncountable]
HCE a common soft silver-white metal that usually exists in combination with other substances, used for example in farming. It is a chemical element: symbol K
Definition from the Longman Dictionary of Contemporary English
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