(art) An abstractionist painting movement that evolved in the 1930s. / reification; the fallacy of treating an abstraction like a real entity

The process of aggregating or coalescing into a mass. / A solid, hard mass formed by a process of aggregation or coalescence.

present participle of concrete

(transitive) To make concrete, substantial, real, or tangible; to represent or embody a concept through a particular instance or example. / (intransitive) To be embodied, to have physical representation.

plural of concretion

In a concretive manner.

plural of concretism

(idiomatic) An urban or other populated area containing a high density of buildings constructed of concrete or similar materials, especially one which lacks greenery and which seems unattractive, harsh, or unsafe.

(linguistics) A term which expresses material facts, actions and events in physical reality relating to possible causes and means.

A space or street surrounded by skyscrapers. / A narrow street circuit surrounded by concrete walls.