Dictionary.net

• a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2

2006 - WordNet 3.0
By Princeton University

• a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2

2011 - English Dictionary Database
By DataStellar Co., Ltd