strontium
noun /ˈstrɒntiəm/, /ˈstrɒnʃiəm/
/ˈstrɑːntiəm/, /ˈstrɑːnʃiəm/
[uncountable] (symbol Sr)
- a chemical element. Strontium is a soft, silver-white metal.Word Originearly 19th cent.: from strontia (from earlier strontian, denoting native strontium carbonate from Strontian, a parish in the Highland region of Scotland, where it was discovered) + -ium.