SYN: pyrosis.
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heart·burn -.bərn n a burning discomfort behind the lower part of the sternum usu. related to spasm of the lower end of the esophagus or of the upper part of the stomach often in association with gastroesophageal reflux called also cardialgia, pyrosis compare WATER BRASH
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(pyrosis)
n.
discomfort or pain, usually burning in character, that is felt behind the breastbone and often appears to rise from the abdomen towards or into the throat. It may be accompanied by the appearance of acid or bitter fluid in the mouth and is usually caused by regurgitation of stomach contents into the gullet or by oesophagitis.
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heart·burn (hahrtґbərn) a feeling of burning or warmth that begins in the lower esophagus, tends to rise upward toward the neck, and occurs in waves. It is often associated with gastroesophageal reflux and may be accompanied by a reflux of fluid into the mouth (water brash). Called also pyrosis.Medical dictionary. 2011.