1. A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
   - Sr, atomic number 38

Derived forms: strontiums

Type of: metal, metallic element

Part of: celestite, strontianite

Encyclopedia: Strontium

• class Crustacea
• class Cryptophyceae
• class Cyanobacteria
• class Cyanophyceae
• class Cycadopsida
• class Cyclosporeae
• class Deuteromycetes
• class Diatomophyceae
• class Dicotyledonae
• class Dicotyledones
• class Diplopoda
• class Echinoidea
• class Equisetatae
• class Euglenophyceae
• class Eumycetes
• class feeling
• class fellow
• class Filicinae
• class Filicopsida
• class Flagellata
• class Gasteromycetes
• class Gasteropoda
• class Gastromycetes
• class Gastropoda
• class Ginkgophytina