|  lithium 
  
 
 a soft silver-white univalent element of the alkali metal group;
 the lightest metal known;
 occurs in several minerals
 • Syn:
 Li, atomic number 3
 • Hypernyms:
 metallic element, metal
 • Substance Holonyms:
 lepidolite, amblygonite, spodumene, zinnwaldite
 
 
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