[{"Bold_text": "noun", "List Items": ["the act of irradiating .", "the state of being irradiated .", "intellectual or spiritual enlightenment.", "a ray of light; beam.", "Optics.the apparent enlargement of an object when seen against a dark background.", "the use of x-rays or other forms of radiation for the treatment of disease, the making of x-ray photographs, the manufacture of vitamin D, etc.", "exposure or the process of exposure to x-rays or other radiation.", "Physics. irradiance ."]}]