This dictionary contains more than 8,000 technical terms and numerous explanatory notes on the individual functional areas such as large water chamber and water-tube boilers, all types of furnaces for conventional power plants and incinerators, thermal waste utilization, grate furnaces, fluidized bed firing systems, grinding mills and mills including sifters, burners for gas, oil and coal, coal and biomass gasification plants, waste heat boiler systems. The dictionary also contains 300 illustrations and schematic representations of steam boilers, grate furnaces, grinding mills and mills, burners, waste incineration and thermal waste treatment facilities, and deNOx systems. This concise work gives insight into the state of the art and represents an extremely valuable tool for researchers, scientists, engineers, technicians and translators, i.e., for anyone who has to deal with the relevant literature.