Air radiography, also known as pneumoradiography, is a medical imaging technique used to visualize the air spaces in the lungs. However, there are a few synonyms that can be used to refer to this method. Firstly, one might come across the term "aeroradiography", which has the same meaning and refers to the examination of air-filled organs. Additionally, "aerogram" is a synonym, indicating the X-ray image or study of lungs using air radiography. Lastly, "pneumogram" is another synonym used to describe the X-ray image produced through the technique of air radiography. These synonyms can be employed interchangeably when discussing the imaging of air spaces within the lungs.