Sedimentology is an important field of geology that deals with the study of sedimentary rocks, their properties, formation, and distribution. However, there are several synonyms used to describe the same field of study. For instance, geologists often use the term sedimentary geology or sedimentary petrology to describe sedimentology. Other synonyms include sedimentary structures, sedimentary processes, and sedimentary environments. The term stratigraphy is also used to describe sedimentology in that it deals with the study of the layers of sedimentary rocks and their relationships. Whatever synonyms are used, sedimentology remains a key aspect of geology that helps us understand the earth's history and its present-day processes.