English dictionary
strontium
/'str/A/n/S//i//@/m/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
Source: WordNet 3.0
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A metallic element of the calcium group, always naturally occurring combined, as in the minerals strontianite, celestite, etc. It is isolated as a yellowish metal, somewhat malleable but harder than calcium. It is chiefly employed (as in the nitrate) to color pyrotechnic flames red. Symbol Sr. Atomic weight 87.3.
Source: webster1913