WordReference Random House Unabridged Dictionary of American English © 2025
bu•sul•fan
(byo̅o̅ sul′fən),USA pronunciation n. [Pharm.]
- Drugsa potent cytotoxic substance, C6H14O6S2, used in the treatment of chronic myeloid leukemia.
- bu(tanediol dimethane) sulf(onate) its chemical name + -an perh. origin, originally variant of -ane 1955–60