Hard dark stone crushed into small pieces used in surfacing roads, for ballast in railway tracks, etc.; gravel; blue metal.

plural of metallic bond

(programming) A runtime environment where little to no abstraction is available: usually employing a low-level programming language, without access to any operating system facilities, and interfacing hardware directly.

A subgenre of heavy metal music, often with anthem-like songs with fantasy-based subject matter and a strong, dramatic chorus.

(music) A genre of heavy metal that is influenced by drone music.

Alternative spelling of alternative metal

(music) A style of modern heavy metal influenced by alternative rock.

(music) A genre of heavy metal characterized by an extremely swift, rhythmic style.

(music) A genre of heavy metal influenced by Celtic music and punk rock.

Alternative spelling of nu metal