Lithium

['lɪθɪəm]

Definition

(noun.) a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.

Edited by Carmella--From WordNet

Definition

(n.) A metallic element of the alkaline group, occurring in several minerals, as petalite, spodumene, lepidolite, triphylite, etc., and otherwise widely disseminated, though in small quantities.

Typist: Ralph

Definition

n. one of the alkaline metals of a silvery appearance found in several minerals combined with silica.—adj. Lith′ic.

Typist: Rodger