(philosophy) A philosopher who specializes in the scholarly study of metaphysics.

(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.

Iron, or similar metals worked by a blacksmith

In a meteoric manner.

(dated) A person who works in metal (the type of material). / A person skilled in metallurgy.

(chemistry) Any of several highly porous, crystalline substances having a cage structure of metal ions coordinated to organic compounds; they have an application in the bulk storage of gases such as hydrogen

Objects made of metal. / The act of shaping metal, metalworking.

A person who shapes metal.