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.

(Li) Li. Element 3, atomic weight 6.939. The lightest alkali metal, used in special-purpose metal alloys and other industrial applications.

An element of the alkali metal group that is the lightest metal known and never found uncombined in nature. It is not considered an alkali in cement and concrete terminology. Has been shown to control ASR when added to mortar and concrete as a salt.

Disposable batteries using lithium chemistry are gaining in popularity because of their light weight, high energy density, and shelf life of ten years. Lithium ion rechargeable batteries, as used in the Streamlight Strion, combine high capacity with small size and light weight.

A psychotropic medication used to treat bipolar disorder. go to glossary index

A metal commonly used in oral antidepressants to treat manic depression. Lithium has been known to interfere with the production of thyroid hormone and can cause goiter.

A mineral salt used to treat bipolar disorders chap07mcw.htm

lithium carbonate; a drug that is useful in treating the manic phase of manic-depressive illness.