noun:a soft silver-white element that is the lightest metal known
noun:a soft silver-white element of the alkali metal group that is the lightest metal known and that is used especially in alloys and glass, in chemical synthesis, and in storage batteries
Movie quotes
(..) Only one thing alive with less than four legs can hear this frequency. That's you. In five minutes, a poisoned gas pellet containing propane lithium compound... ...willbe released through thousands of air ducts in this city... ...effectively annihilating half the population of Metropolis. (..)