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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.

essing some of the qualities of alkalies. -- Alkaline metals, potassium, sodium, cæsium, lithium, rubidium. -- Alkaline reaction, a reaction indicating alkalinity, as by the action on limits, turmeric, etc.

The oxide of lithium; a strong alkaline caustic similar to potash and soda, but weaker. See Lithium. Lithia emerald. See Hiddenite.

Pertaining to or denoting lithium or some of its compounds. Frankland.

A phosphate of manganese and lithium; a variety of triphylite.

n through it. It is used for viewing colored flames, to detect the presence of potassium, lithium, etc., by the red light which they emit.

metals (Chem.), the metallic elements of the alkali and alkaline earth groups, as sodium, lithium, calcium, magnesium, etc.; also, sometimes, the metals of the earths, as aluminium. -- Muntz metal, an alloy for sheathing and other purposes, consisting of about sixty per cent of copper, and forty of zinc. Sometimes a l…

A variety of tourmaline varying in color from a pale rose to a deep ruby, and containing lithium.

A metallic salt; esp., a salt of potassium, sodium, lithium, or magnesium, used in medicine.

A kind of mica containing lithium, often associated with tin ore.