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- DictionaryCon·crete/ˈkänˌkrēt/
adjective
- 1. existing in a material or physical form; not abstract: "concrete objects like stones"
noun
- 1. a heavy, rough building material made from a mixture of broken stone or gravel, sand, cement, and water, that can be spread or poured into molds and that forms a mass resembling stone on hardening: "slabs of concrete"
verb
- 1. cover (an area) with concrete: "the precious English countryside may soon be concreted over"
- 2. form (something) into a mass; solidify: archaic "the juices of the plants are concreted upon the surface"
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A single concrete block, as used for construction. Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material.
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Concrete definition, an artificial, stonelike material used for various structural purposes, made by mixing cement and various aggregates, as sand, pebbles, gravel, or shale, with water and allowing the mixture to harden. See more.
a hard substance that is used in building and is made by mixing sand, water, small stones, and cement (= grey powder that is mixed with water and becomes hard when it dries): concrete blocks.
Put simply, concrete is a mixture of cement, water, and aggregates (like sand and gravel) that hardens over time to create a solid, strong substance. It's used in all sorts of construction projects because it's affordable, durable, and can be moulded into nearly any shape.
Concrete is used to make pavements, pipe, architectural structures, dams, foundations, motorways, bridges, multi-story parking, walls, footings for gates, fences and poles and even boats. Its biggest advantage is that it bonds together bricks and stones better than any other method known to mankind.
The term concrete refers to a mixture of aggregates, usually sand, and either gravel or crushed stone, held together by a binder of cementitious paste. The paste is typically made up of portland cement and water and may also contain supplementary cementing materials (SCMs), such as fly ash or slag cement, and chemical admixtures (Figure 1-1).
concrete. noun. /ˈkɒŋkriːt/. /ˈkɑːnkriːt/. [uncountable] building material that is made by mixing together cement, sand, small stones and water. a slab of concrete. The pathway is formed from large pebbles set in concrete. see also reinforced concrete.
