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GERD, abbreviation for gastroesophageal reflux disease. See gastroesophageal reflux. An abbreviation which takes into account the UK/US spelling differences of gastro-oesophageal reflux disease (see there)/gastroesophageal reflux disease (GOR/GER if referring to reflux alone).
gastroesophageal. pertaining to the stomach and esophagus. gastroesophageal reflux disease (GERD) any of various conditions resulting from gastroesophageal reflux, ranging in seriousness from mild to life-threatening; principal characteristics are heartburn and regurgitation.When there is damage to the esophageal epithelium, it is known as reflux esophagitis.n abbreviation which takes into account the UK/US spelling differences of gastro-oesophageal reflux disease (see there)/gastroesophageal reflux disease (GOR/GER if referring to reflux alone).