Definition: The concept of radiation dosimetry is a branch of radiology that deals with the measurement and analysis of radiation exposure to various body tissues, such as the skin, organs, bones, and internal organs. It involves using specific equipment called a Radiographic Dosimeter (RD) to measure the dose received by individuals in order to determine its effectiveness in treating cancer or other diseases. The term "roentgenometries" refers to the use of a particular type of radiation dosimeter for measuring the