Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), [1] the …

Jun 6, 2025 · Concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together …

May 16, 2025 · Understanding the difference between concrete and cement is essential for selecting the proper material to complete your construction and decorating projects. Now that …

CONCRETE definition: 1. a very hard building material made by mixing together cement, sand, small stones, and water: 2…. Learn more.

What is concrete? Concrete is the worlds most widely used building material and it dates back to the Roman Empire. Roman buildings, such as the Parthenon, were made of concrete and still …