(physics) Of or relating to a half-metal.

(inorganic chemistry, alchemy) A metal resistant to corrosion, oxidizing and tarnishing, such as gold, platinum, copper and mercury.

(music) A subgenre of heavy metal typically employing moderate to fast tempos, heavily distorted guitars, deep growling vocals, blast beat drumming and complex song structures with multiple tempo changes, often having violent or dark lyrics.

(dated) An alloy that has expanded upon cooling. / Sheet metal that has been slit and stretched at right angles to the slits to form a lattice; used for making screens etc and for reinforcing concrete.

(chemistry) A transition element

(inorganic chemistry) Any of the soft, light, reactive metals of Group 1 of the periodic table; lithium, sodium, potassium, rubidium, cesium, and francium.

Metal worked into a thin, flat sheet, used widely as construction material and raw material for a multitude of industrial products. It is thicker than foil and thinner than plate.

(chemistry) Any metal at the lower end of the electrochemical series that oxidizes readily. / (metallurgy) The metal to be welded (rather than that used to weld). / A common or inexpensive metal.

(music) A subgenre of heavy metal music from the 1990s and 2000s with some sounds and influences from grunge and hip-hop.

(music) A subgenre of heavy metal characterised by a slow tempo and low-tuned guitars, often emphasizing despairing lyrics.