1. A soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
   "Lithium is commonly used in rechargeable batteries";
   - Li, atomic number 3

Derived forms: lithiums

Type of: metal, metallic element

Part of: amblygonite, lepidolite, spodumene, zinnwaldite

Encyclopedia: Lithium, Missouri