(physics) A stable isotope, ⁷₃Li, having three protons and four neutrons, that makes up about 93% of natural lithium.

(physics) A stable isotope ⁶₃Li, having three protons and three neutrons, that makes up about 7% of natural lithium; it is used in the nuclear industry.

(inorganic chemistry) The lithium salt of ammonia LiNH₂

(inorganic chemistry) The salt LiBO₂

(inorganic chemistry) The compound Li₂O₂ that is used to remove carbon dioxide from air and replace it with oxygen

(inorganic chemistry) The strong reducing agent LiBH₄

(inorganic chemistry) The salt LiPF₆ that is used as an electrolyte in lithium batteries

plural of lithium battery

plural of lithium soap

A region of Bolivia, Chile, Argentina, in the Atacama Desert, which produces much of the world's lithium supply, and contain most of the known world lithium reserves