Lightweight concrete is often used in construction due to its weight reduction properties. However, there are several synonyms for this building material, including cellular concrete, aerated concrete, and foam concrete. Cellular concrete is a cementitious material that contains air cells, making it lightweight and insulating. Aerated concrete is another synonym for lightweight concrete that is produced by adding aluminum powder to the mixture, resulting in a porous material. Foam concrete, on the other hand, is a lightweight material made by mixing a cement paste with a stable foam that contains small air bubbles. These synonyms for lightweight concrete offer a variety of options for construction projects that require a strong yet lightweight material.