This is the most popular dictionary of physics available‎.‎ It contains over 3‎,‎800 entries covering all commonly encountered physics terms and concepts‎,‎ as well as terms from the related fields of astronomy‎,‎ astrophysics‎,‎ and physical chemistry‎.‎ With 200 new entries and expanded coverage in areas including applied physics‎,‎ statistical distributions‎,‎ polymers‎,‎ and nanoscience‎,‎ A Dictionary of Physics is more comprehensive than ever before‎.‎ The dictionary is generously illustrated with over 120 diagrams‎,‎ graphs‎,‎ and tables and it also contains biographies of important scientists‎.‎ Feature entries provide in‎-depth analysis of key topics such as crystal defects‎,‎ magnetic resonance imaging‎,‎ and the solar system‎.‎ Three feature entries on low‎-temperature physics‎,‎ nanophysics‎,‎ and quantum entanglement are brand new to this edition‎.‎ Also new to this edition are entry‎-level web links and a web linked appendix‎.‎ These recommended web links are accessible and kept up to date via the Dictionary of Physics companion web page and provide useful and relevant extra information‎.‎ Appendices include SI units‎,‎ the solar system‎,‎ and the electromagnetic spectrum‎,‎ plus a list of Nobel Prize winners and a chronology of key dates in physics‎.‎ This fully revised and updated A‎-Z is an ideal introduction to the subject for anyone with an interest in physics‎,‎ and it remains an indispensable reference work for students of physics and physics‎-related subjects ‎(‎either at school or at university‎)‎‎,‎ and professionals‎.‎