Synonyms and related words :
X-ray photometry, X-ray spectrometry, atom-tagging, curiescopy, orthodiagraphy, photofluorography, radiation physics, radiobiology, radiochemistry, radiography, radiological physics, radiology, radiometallography, radiometry, radiopathology, radioscopy, radiotechnology, radiotherapy, roentgenography, roentgenology, roentgenoscopy, spectroradiometry, tracer investigation