- strontium by Edwin Willis
a metallic chemical element; symbol Sr; at. No. 38; at. Wt. 87.62; m.p. 769°C; b.p....
- strontium by Ava Lewis
A soft silvery-white element of the alkaline earth group of metals, occurring chiefly in celestite...
- strontium by Amaya McCoy
Chemical element, one of the alkaline earth metals, chemical symbol Sr, atomic number 38. A soft...
- strontium 90 by WordNet
nounA radioactive isotope of strontium (with the mass number 90) that is present in the fallout...
- uranium by Alicia Alexander
A radioactive silvery-white metallic element of the actinide series. It occurs in several minerals...