Weibo (å¾®å) is the Chinese word for microblog. Sina Weibo launched its new domain name weibo.com on 7 April 2011, deactivating and redirecting from the old domain, t.sina.com.cn to the new one. Due to its popularity, the media sometimes directly uses Weibo to refer to Sina Weibo.
Dictionary entry overview: What does ulcer mean? â¢ ULCER (noun) The noun ULCER has 1 sense: 1. a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue Familiarity information: ULCER used as a noun is very rare.
medical Definition of peptic ulcer : an ulcer in the wall of the stomach or duodenum resulting from the digestive action of the gastric juice on the mucous membrane when the latter is rendered susceptible to its action (as from infection with the bacterium Helicobacter pylori or the chronic use of NSAIDs)