This dictionary serves as a comprehensive reference tool designed to clarify and define the technical lexicon of geological science for both academic students and interested laypeople. Dorothy Farris Lapidus compiles over 4500 entries, synthesizing complex terminology into accessible definitions. The text functions as a foundational resource for understanding the nomenclature of earth sciences, ranging from fundamental physical processes to applied economic geology.

This work is regarded as a standard, reliable reference text for students and professionals seeking quick, accurate definitions within the earth sciences. Its structure provides a clear and efficient method for navigating the dense vocabulary inherent to geological research.