(software) a type in a nominative type system that cannot be instantiated.

plural of abstract method

plural of abstract class

(object-oriented programming) A method of an abstract class that has no implementation in that class and must therefore be implemented by all subtyping classes.

(object-oriented programming) A class that cannot be instantiated and may have abstract method.

A universal proposition in logic.

Music created with a focus on structure as opposed to title, text, or program; absolute music.

plural of abstract universal

(art) An artist who works within the genre of Abstract Expressionism.

plural of abstract expressionist