any of the class of poisonous, blistering compounds, as C5H11Cl2N, analogous in composition to mustard gas but containing nitrogen instead of sulfur: used in the treatment of cancer and similar diseases; mechlorethamine.
Origin of nitrogen mustard
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any of a class of organic compounds resembling mustard gas in their molecular structure. General formula: RN(CH 2 CH 2 Cl) 2, where R is an organic group: important in the treatment of cancer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Any of various toxic blistering compounds analogous to mustard gas but containing nitrogen rather than sulfur, sometimes used to control or check the growth of neoplastic cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.