solidify become solid; "The metal solidified when it cooled"
concrete -
cover with cement; "concrete the walls"
cover clothe, as if for protection from the elements; "cover your head!"
Adjective
concrete -
capable of being perceived by the senses; not abstract or imaginary; "concrete objects such as trees"
abstract existing only in the mind; separated from embodiment; "abstract words like `truth' and `justice'"
touchable,
tangible perceptible by the senses especially the sense of touch; "skin with a tangible roughness"
practical having or put to a practical purpose or use; "practical mathematics"; "practical applications of calculus"
existent,
real having existence or being or actuality; "an attempt to refine the existent machinery to make it more efficient"; "much of the beluga caviar existing in the world is found in the Soviet Union and Iran"
concreteness the quality of being concrete (not abstract)
objective belonging to immediate experience of actual things or events; "objective benefits"; "an objective example"; "there is no objective evidence of anything of the kind"
Concrete is a composite construction material that is composed of cement and other cementitious materials such as fly ash and slag cement, aggregate (generally a coarse aggregate made of gravels or crushed rocks such as limestone, or granite, plus a fine aggregate such as sand), water, and chemical admixtures. The word concrete comes from the Latin word "concretus" (meaning compact or condensed), the past participle of "concresco", from "com-" (together) and "cresco" (to grow). Concrete solidifies and hardens after mixing with water and placement due to a chemical process known as hydration.
OmegaWiki Dictionary
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concrete A mixture of aggregate, water, and a binder, usually Portland cement; it hardens to stonelike condition when dry.
concrete To build using concrete; to cover with cement.
