concrete
This word carries a heavy sense of permanence and solidity. When used as a material, it evokes industrial strength and urban landscapes. In a conceptual sense, it describes things that can be touched, seen, or measured, stripping away ambiguity and speculation.
Countable when referring to a specific block or slab of the building material. Uncountable when referring to the substance in general.
Meanings
A heavy building material made from a mixture of broken stone or gravel, sand, cement, and water.
The driveway was poured using reinforced concrete.
Examples
The driveway was poured using reinforced concrete.
The police are looking for concrete evidence rather than hearsay.
We need to concrete our arrangements for the wedding.
Phrasal Verbs
concrete over
to cover a surface with a layer of concrete
The city decided to concrete over the old canal to create a new parking lot.