definition of din
DIN is defined as an acronym for Deutches Institut fur Normung, which in English means German Institute for Standardization. An example of DIN standards are the specifications used in engineering or in establishing technical uniform procedures, methods, processes, criteria, or practices. noun. The definition of a din is a loud sound or clamor. The banging coming from an open kitchen at a restaurant is an example of a din. Din is defined as making loud sounds. To bang on pots and pans is an example of din.