Anti-art is a term used to describe art that challenges the existing accepted definitions of art

Anti-form is a term associated with a group of artists working in the United States in the late 1960s who …

Appropriation in art and art history refers to the practice of artists using pre-existing objects or images in their art …

Aquatint is a printmaking technique that produces tonal effects by using acid to eat into the printing plate creating sunken …

The Arab Image Foundation (AIF) is a not-for-profit organisation established in Beirut in 1997 to preserve, exhibit and study photographs …

An archive is a collection of records, preserved and made available for research

Art & Language is a pioneering English conceptual art group founded in 1968, that questioned the critical assumptions of mainstream …

Also known as art informel, art autre translates as 'art of another kind' and was used to describe the dominant …

Art brut is a French term that translates as 'raw art', invented by the French artist Jean Dubuffet to describe …

Art deco is a design style from the 1920s and 1930s in furniture, decorative arts and architecture characterised by its …

Arte de los medios de comunicación de masas (art of the mass media) was an experimental arts group formed in …

Arte Madí was an artistic group formed in Buenos Aires in 1944 devoted to pure geometric abstraction

Arte nucleare was an artist group founded in Milan in 1951 whose aim was to make art in response to …

Arte povera was a radical Italian art movement from the late 1960s to 1970s whose artists explored a range of …

Art informel is a French term describing a swathe of approaches to abstract painting in the 1940s and 1950s which …

The term art intervention applies to art designed specifically to interact with an existing structure or situation, be it another …

An artist-curator is a practising artist who also curates shows or runs not-for-profit spaces from which they exhibit their art …

The Artist Placement Group was founded in 1966 with the aim of placing artists in government, commercial and industrial organisations

Artists International Association was an exhibiting society founded in London in 1933, which held exhibitions and events to promote and …

Art nouveau is an international style in architecture and design that emerged in the 1890s and is characterised by sinuous …

Arts and Crafts was a design movement initiated by William Morris in 1861 which aimed to improve the quality of …

The Art Workers' Coalition (AWC) was a group of activists who came together in New York in 1969 to promote …

Ashcan School was a group of North American artists who used realist techniques to depict social deprivation and injustice in …

Founded by Tomás Maldonado in 1944, the Asociación Arte Concreto-Invención (Concrete-Invention Art Association) was one of two artistic groups formed …

Assemblage is art that is made by assembling disparate elements – often everyday objects – scavenged by the artist or …

Atelier is a French word that translates literally as studio or workshop and is often used to denote a group …

Attribute has different meanings as a noun and a verb: An attribute (noun) in art is an object or animal …

Aura is a quality integral to an artwork that cannot be communicated through mechanical reproduction techniques – such as photography

Authenticity is a term used by philosopher and critic Walter Benjamin to describe the qualities of an original work of …

Auto-destructive art is a term invented by the artist Gustav Metzger in the early 1960s to describe radical artworks made …