Symptoms of peritoneal mesothelioma include: 1  Abdominal pain and swelling. 2  Loss of appetite (anorexia) 3  Weight loss â especially if unexpected or sudden.  Ascites â a buildup of fluid in the 1  abdomen. Anemia â most often in women.  Bowel 1  obstruction. 2  Fever.  Nausea.
a wave propagated at the speed of light by the periodic variations of electric and magnetic fields. electromagnetic wave. A wave of energy consisting of oscillating electric and magnetic fields. Radio waves, light waves, and x-rays are electromagnetic waves.
Classifications of Electromagnetic Waves. Electromagnetic radiation and Matter. Electromagnetic radiation interacts with matter in different ways in different parts of the spectrum. The types of interaction can be so different that it seems to be justified to refer to different types of radiation.