Autoclaved Aerated Concrete (AAC). AAC is a lightweight cellular material which is formed by a chemical reaction between finely divided calcareous and siliceous materials.The calcareous component is usually lime and/or cement.utoclaved Aerated Concrete (AAC). AAC is a lightweight cellular material which is formed by a chemical reaction between finely divided calcareous and siliceous materials.
engineering science. Thesaurus. Definitions of engineering science. 1. n the discipline dealing with the art or science of applying scientific knowledge to practical problems. the branch of engineering science concerned with the design and construction of aircraft. application of biological principles to the study and design of engineering systems (especially electronic systems)
1. Science is the study of systematically arranged facts that can be logically explained while engineering is a branch of science that deals with the discipline of gaining and using scientific, mathematical, economic, and practical knowledge to design and produce machines and devices that are useful to man.