Medical Dictionary


noun ul·cer \ˈəl-sər\

Medical Definition of ULCER

:  a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus <a stomach ulcer>
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears