Concrete is that pourable mix of cement, water, sand, and gravel that hardens into a super-strong building material. When used as an adjective, concrete also means solid. If you’ve got concrete plans for Saturday, then you have a definite plan.Concrete terms refer to objects or events that are available to the senses. [This is directly opposite to abstract terms, which name things that are not available to the senses.] Examples of concrete terms include spoon, table, velvet eye patch, nose ring, sinus mask, green, hot, walking.Concrete is made up of three basic components: water, aggregate (rock, sand, or gravel) and Portland cement. Cement, usually in powder form, acts as a binding agent when mixed with water and aggregates.constituting an actual thing or instance; real: a concrete proof of his sincerity. 2. pertaining to or concerned with realities or actual instances rather than abstractions; particular (opposed to general ): concrete ideas.Concrete, pattern, or shape poetry is an arrangement of linguistic elements in which the typographical effect is more important in conveying meaning than verbal significance. It is sometimes referred to as visual poetry, a term that has now developed a distinct meaning of its own.In its simplest form, concrete is a mixture of paste and aggregates, or rocks. The paste, composed of portland cement and water, coats the surface of the fine (small) and coarse (larger) aggregates.He also invented Portland cement, which to date dominates concrete production. Most buildings (individual and commercial) use concrete because it is a strong element. Concrete solidifies and hardens after mixing with water and placement due to a chemical process known as hydration.Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is basically a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement.
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