heavy_metal has definitions from the fields of music,fine art,chemistry,metallurgy
1
[ noun ] (chemistry,metallurgy) a metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight

Related terms

metallic_element alloy

2
[ noun ] (music,fine art) loud and harsh sounding rock music with a strong beat; lyrics usually involve violent or fantastic imagery

Related terms

rock_'n'_roll

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