(bound form) water caltrop; water chestnut. An aquatic plant with floating triangular leaves and edible fruit inside a hard, often horned shell. Also referred to as 菱角 líng​jiao

the chemical element with the symbol Mg; a lightweight, silvery-white metal used in fireworks, flares, and aircraft alloys

mineral deposit; ore; naturally occurring materials in the earth that can be mined for value