This completely up-to-date technical dictionary has a total of 354 688 entries, making it one of the most comprehensive technological dictionaries currently available. Volume 1 contains a total of 159 142 entries and Volume 2 195 546, significantly larger due to the inclusion of terms relating to recent developments in fields such as space travel, nuclear technology, the environment and energy. The author has been careful to place each term strictly within its own specialized field. All branches of modern industry are covered - from raw materials and their extraction to the numerous processing industries with their products, research, development and manufacture. Also included are farming, chemistry, electrical engineering, electronics, transport and commerce, the increasingly diversified branches of telecommunications; and finally, data processing and microprocessors. Sl-units are used throughout.