n :  an antineoplastic drug C₁₃H₁₈Cl₂N₂O₂ that is a derivative of nitrogen mustard and is used esp. in the treatment of multiple myeloma - called also L-PAM , phenylalanine mustard , sarcolysin  .
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2026.