- Pathology. any of several malignancies of the lymphatic system in which the cells characteristic of Hodgkin's disease are absent.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any form of lymphoma other than Hodgkin's disease
- Any of various malignant lymphomas characterized by the absence of Reed-Sternberg cells.