neoplasm

1. (pathology, oncology) An abnormal new growth of disorganized tissue in animals or plants.Examples: "Other and less common causes for an oromaxillary fistula are infections, cysts and neoplasms of the maxilla which may destroy the intervening bone, resulting in a fistula between the maxillary sinus and the oral cavity."; "While we cannot firmly attribute the cause of the benign neoplasm to the irregularity in your genetic makeup, we can confirm that the progressive damage renders you unable to conceive a child."; "Angiosarcoma is the most-common differentiated malignant neoplasm of the heart and accounts for 10–15% of primary cardiac malignancies."Synonyms: tumour