strontium
strontium
Definition
stron·tium (strän′s̸həm, -s̸hē əm; stränt′ē əm)
noun
a pale-yellow, metallic chemical element, one of the alkaline-earth metals, resembling calcium in properties and found only in combination: strontium compounds burn with a red flame and are used in fireworks: symbol, Sr; at. no., 38: a deadly radioactive isotope (strontium 90) is present in the fallout of nuclear explosions
Etymology: ModL: so named (1808) by Sir Humphry Davy, who first isolated it < strontia + -ium
strontium
Usage Examples
Converse of object
- contain: Craig learned that the Dow Metallurgical Laboratory had over the years produced a number of experimental batches of magnesium containing strontium.
Preposition: in
- soil: His particular expertise lies in the use of isotopic composition of lead and strontium in soil and water studies.
Adjective modifier
- radioactive: Spooner, G.M. ( 1949 ) Observations on the absorption of radioactive strontium and yttrium by marine algae.
Modifies a noun
- ranelate: Strontium ranelate is usually given in a single daily dose of 2g at night.
- isotope: The ratio of strontium isotopes changed rapidly in Early Jurassic oceans with the result that values are time diagnostic.
- sulfate: These include barium sulfate and strontium sulfate which produce colored effects when ignited.
- concentration: Salifert's Natural Strontium supplement is an easy to use formulation designed to avoid a too low or too high strontium concentration.
- ratio: Figure 2. Strontium isotope ratios ( 87 Sr / 86 Sr ) in teeth from three different cows from Vaihingen.
- carbonate: All the earliest work was carried out on a mineral ( strontium carbonate ) from Strontian, a village in Argyllshire.
Noun used with modifier
- element: Strontian, Argyll, is another important Scottish mineral locality & the discovery site of the element strontium.
Browse dictionary entries near strontium
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