Definitions for: Strontium

[n] a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite

Webster (1913) Definition: Stron"ti*um, n. [NL. See Strontia.] (Chem.)
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.

Synonyms: atomic number 38, Sr

See Also: celestite, metal, metallic element, strontianite, strontium 90

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