English noun: lithium | |||
1. | lithium (substance) a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals | ||
Synonyms | atomic number 3, Li | ||
Broader (hypernym) | metal, metallic element | ||
Substance meronym | amblygonite, lepidolite, spodumene, zinnwaldite | ||