Strontium

Definition of Strontium

Stron´ti`um
n.1.(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.
2.A radioactive isotope of strontium produced by certain nuclear reactions, and constituting one of the prominent harmful components of radioactive fallout from nuclear explosions; also called radiostrontium. It has a half-life of 28 years.

Related Words

atomic number 38, celestite, metal, metallic element, Sr, strontianite, strontium 90
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Strombus
Stromeyerite
Strond
Strong
Strong conjugation
Strong drink
Strong-minded
Strong-water
strongbox
Stronghand
Stronghold
Strongish
Strongly
Strongylid
Strongyloid
Strontia
Strontian
Strontianite
Strontic
Strontitic
-Strontium-
Strook
Stroot
Strop
Strophanthus
Strophe
Strophic
Strophiolate
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Strophulus
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Strout
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