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heavy metal

- 4 dictionary results

heavy metal

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

Origin:
1860–65, for literal sense


heavy-metal, adjective
heavy metal  
n.  
  1. A metal with a specific gravity greater than about 5.0, especially one that is poisonous, such as lead or mercury.
  2. Music Very loud, brash rock music, often with shouted, violent lyrics.

heavy metal

n. [Cambridge] Syn. {big iron}.

heavy metal
big iron

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