Synopsis “The Dictionary of Physics” presents the most modern concepts of Physics in alphabetical order. The terms selected are presented in brief analytical phrases duly supported by line diagrams of structures wherever necessary. Accurate definitions in modern usage will help the readers understand the terms better. The entries selected are such as are commonly faced by students and teachers in their professional life. This dictionary should prove useful for students, scholars and professionals from different disciplines. This dictionary is a pioneering attempt to provide simple and lucid exposition of the basic concepts, principle and theories in the most modern usage. A very systematic and scientific analysis of each entry should prove highly relevant and functional, informative and comprehensible to the reader at every stage.