According to the Food and Agriculture Organization of the United Nations, the average minimum daily energy requirement is about 1,800 kilocalories (7,500 kJ) per person.
U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition: Diagnostic Imaging. Any visual display of structural or functional patterns of organs or tissues for diagnostic evaluation. It includes measuring physiologic and metabolic responses to physical and chemical stimuli, as well as ultramicroscopy.
diagnostic diÂ·agÂ·nosÂ·tic (dÄ«'Ég-nÅs'tÄ­k) adj. Of, relating to, or used in a diagnosis. Serving to identify a particular disease; characteristic. n. diagnostics The art or practice of medical diagnosis. A symptom or a distinguishing feature serving as supporting evidence in a diagnosis. An instrument or a technique used in medical diagnosis.