Thread: How do spanish people say...

Juan: Sorry, but I must disagree with you.

Source:

Diccionario de la lengua española | Edición del Tricentenario
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hormigón1
De hormigo 'gachas de harina'.
1. m. Material que resulta de la mezcla de agua, arena, grava y cemento o cal, y que, al fraguar, adquiere más resistencia.

Material that results from a mixture of water, sand, gravel y cemento.... that is the recipe for concrete
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concreto2
Del ingl. concrete.
1. m. Am. hormigón (‖ mezcla de agua, arena, grava y cemento).

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P.S. There is a difference between cement and concrete. Cement is the powdery substance that acts as the "glue" in the concrete mixture. It will harden if mixed with water but does not have the strength and resistance of concrete. The sand and gravel (aggregate) mixed with cement and the right amount of water provide the finished concrete product which is usually re-inforced with iron rods (rebar) or a metal mesh for added strength. (I just poured a concrete foundation for an addition to my house)