abstract-concrete
/ˈabstraktˌkɒŋkriːt/(also abstract/concrete)
adjective
1Of or relating to both the abstract and the concrete; having both abstract and concrete characteristics.
2 Fine Art. Designating a form of abstract art which uses only colour and geometric shapes.
Origin
Mid 19th century; earliest use found in Herbert Spencer (1820–1903), philosopher, social theorist, and sociologist. From abstract + concrete.