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Definition of Strontium
1. Noun. A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite.
Exact synonyms: Atomic Number 38, Sr
Generic synonyms: Metal, Metallic Element
Specialized synonyms: Strontium 90
Substance meronyms: Celestite, Strontianite
Generic synonyms: Metal, Metallic Element
Specialized synonyms: Strontium 90
Substance meronyms: Celestite, Strontianite
Definition of Strontium
1. n. 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.
Definition of Strontium
1. [n -S]