wood's metal: a fusible alloy that is half bismuth plus lead, tin, and cadmium; melts at about 160 degrees Fahrenheit
alloy: a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
cicada: stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone