Artistic content depends on internal form rather than pictorial representation

• An abstract genre of art
• A representation having no reference to concrete objects or specific examples

Wiktionary Word definitions in Wiktionary
n. 1 The creation, principles, or ideals of abstractions, in particular art. (First attested in the mid 20 th century.) (R:SOED5: page=10) 2 The presentation of ideas in an abstract manner. (First attested in the mid 20 th century.)

WordNet Word definitions in WordNet
n. an abstract genre of art; artistic content depends on internal form rather than pictorial representation [syn: abstract art ] a representation having no reference to concrete objects or specific examples [syn: unrealism ]

Wikipedia Word definitions in Wikipedia
Abstractionism is the theory that the mind obtains some or all of its concepts by abstracting them from concepts it already has, or from experience . One may, for example, abstract 'green' from a set of experiences which involve green along with other properties ...