simple past tense and past participle of concrete

Solidified.

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.

(uncountable) the state of being concrete / (countable) the result of being concrete

plural of concretism

hard substance used in building made by mixing cement, sand, small stones, and water

(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.