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.
Electromagnetic Radiation. Electromagnetic radiation, the larger family of wave-like phenomena to which visible light belongs (also known as radiant energy), is the primary vehicle transporting energy through the vast reaches of the universe.