noun[ U ]medicalspecializeduk/ˌaɪ.biːˈdiː/us/ˈaɪˌbiːˈdiː/
炎症性肠病（inflammatory bowel disease的缩写）
abbreviation for inflammatory bowel disease: an illness in which the bowel becomes swollen and painful but the cause of this is not known. IBD usually refers to Crohn's disease or ulcerative colitis.