heavy metal


any metal with a specific gravity of 5.0 or greater, especially one that is toxic to organisms, as lead, mercury, copper, and cadmium.
aggressive and heavily amplified rock music, commonly performed by groups that wear spectacular or bizarre costumes.

Nearby words

  1. heavy heart, with a,
  2. heavy hitter,
  3. heavy hydrogen,
  4. heavy ion,
  5. heavy lifting,
  6. heavy middleweight,
  7. heavy mineral oil,
  8. heavy nitrogen,
  9. heavy oil,
  10. heavy oxygen

Origin of heavy metal

1860–65, for literal sense

Related formsheav·y-met·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heavy metal

British Dictionary definitions for heavy metal

heavy metal


  1. a type of rock music characterized by a strong beat and amplified instrumental effects, sometimes with violent, or nihilistic lyrics
  2. (as modifier)a heavy-metal band
a metal with a high specific gravity
military large guns or shot
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012