Concrete is a building material made from a mixture of cement, water, and aggregates such as sand or gravel. It hardens over time to create a strong and durable structure.
Related terms
Architecture: The art and science of designing and constructing buildings or structures.
Reinforcement: Materials like steel bars or mesh that are added to concrete to increase its strength.
Roman Colosseum: An iconic ancient amphitheater in Rome made primarily out of concrete, showcasing the durability and versatility of this material.