noun Pharmacology.
an antibacterial substance, C 12 H 12 N 2 O 2 S, used to treat leprosy and certain forms of dermatitis.
Also called DDS.

1965–70; d(i)a(minodi)p(henyl) sulfone

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World English Dictionary
dapsone (ˈdæpˌsəʊn)
an antimicrobial drug used to treat leprosy and certain types of dermatitis. Formula: C12H12N2O2S
[C20: from d(i)a(minodi)p(henyl) s(ulph)one]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

dapsone dap·sone (dāp'sōn', -zōn')
An antibacterial drug used primarily to treat leprosy and some forms of dermatitis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences for dapsone
The mainstay of the treatment regime is corticosteroids and dapsone or sulfasalazine.
Sulfasalazine is sometimes used as an alternative to dapsone.
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