NaWordNet Explorer

a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)

any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

water containing salts

naturally occurring crystalline sodium chloride