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.
A pressure ulcer is an area of skin that breaks down when constant pressure, or pressure in combination with shear and/or friction, is placed against the skin. This skin breakdown can ultimately result in exposure of the underlying tissue, including bone.