Inflammation/ˌɪnfləˈmeɪʃn/ Definition 1 of 2Pro Tip 1/3Medical Context Use 'inflammation' mainly in medical-related discussions about symptoms or conditions. The patient showed signs of inflammation at the wound site. Pro Tip 2/3Describe Symptoms 'Inflammation' often describes symptoms like swelling, heat, redness, or pain in a body part. His ankle displayed clear inflammation after the sprain. Pro Tip 3/3Not Always Visible Sometimes 'inflammation' happens inside the body and isn't visible on the outside. She was treated for inflammation of the bladder.