The American Heritage® Dictionary of the English Language, 4th Edition
n. An antibacterial drug, C12H12N2O2S, used primarily to treat leprosy and some forms of dermatitis.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. antibacterial drug used to treat leprosy and some kinds of skin diseases
Word Usage
"The Post reports that the wealth of information on the Internet has helped erode some of the stigma of the disease, which is easily treatable where the anti-leprosy drugs dapsone and rifampin are available."