X-ray is a medical imaging technology that uses electromagnetic radiation to produce images of the inside of the body. This method is commonly used by doctors and medical professionals to diagnose and analyze certain medical conditions. However, there are also several synonyms or alternative names for the term 'X-ray' that could be used in various other contexts. These synonyms include radiography, roentgenography, xeroradiography, and radiology. Other medical imaging methods such as CT scan and MRI are also often used as synonyms for X-ray. In summary, X-ray is a valuable diagnostic tool used in medical practice, with various names or synonyms used in different contexts.