heavy metal

/ˌhɛvi ˌmɛdl/

/ˈhɛvi ˈmɛtəl/

Other forms: heavy metals

Definitions of heavy metal

1. noun

   a metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead)
   type of:

   alloy, metal

   a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten

   metal, metallic element

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

   loud and harsh sounding rock music with a strong beat; lyrics usually involve violent or fantastic imagery
   synonyms: heavy metal music

   type of:

   rock, rock 'n' roll, rock and roll, rock music, rock'n'roll, rock-and-roll

   a genre of popular music originating in the 1950s; a blend of black rhythm-and-blues with white country-and-western