strontium
/ˈstɹɒn.ti.əm/ noun C2- The metallic chemical element (symbol Sr) with an atomic number of 38. It is a soft, reactive, silvery alkaline earth metal.
- A single atom of this element.
Plural strontiums
Learn strontium in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.