How can materials and components be described in a standardized, transparent, and cross-industry manner in the future? In this interview, Detlev Raguse (ECLASS) and Stefan Willms (morphe*) provide insights into the joint development of the Material Dictionary by ECLASS and morphe*. They discuss the project's practical use cases, the added value the solution offers companies, and its growing relevance to digital supply chains, sustainability, and the Digital Product Passport.