Noun: strontium strón-tee-um or strón(t)-sh(ee-)um
- A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
"Strontium compounds are used in fireworks to produce red colours";
- Sr, atomic number 38
Derived forms: strontiums
Type of: metal, metallic element
Part of: celestite, strontianite
Encyclopedia: Strontium