lith‧i‧um /ˈlɪθiəm/
noun [uncountable][
Date: 1800-1900;
Language: Greek;
Origin: lithos 'stone']
a soft silver-white metal that is the lightest known metal, is used in
BATTERIES, and is often combined with other metals. It is a chemical
element: symbol Li
[TahlilGaran] Dictionary of Contemporary English ▲