1) Dilatation 2) Distension 3) Distention 1) Tympany 
Tympanites (from the Greek τύμπανο, `drum`), also known as meteorism, is a medical condition in which excess gas accumulates in the gastrointestinal tract. ==Possible causes== == See also == ...
• (n.) A flatulent distention of the belly; tympany.
Swelling of the abdomen caused by gas in the intestines or peritoneal cavity. Also called meteorism.
(tim″pә-ni´tēz) drumlike distention of the abdomen due to air or gas in the intestine or peritoneal cavity. adj., tympanit´ic., adj.
Distension of the abdomen with gas
Type: Term Pronunciation: tim′pă-nī′tēz Definitions: 1. Swelling of the abdomen resulting from gas in the intestinal or peritoneal cavity. Synonyms: meteorism, tympania, tympanism
Tympanites: A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympanites is heard if the chest contains free air (pneumothorax) or the abdomen is distended with gas. Another term for tympanites is tympany. Both terms are derived from the Greek 'tympanon' meaning drum.
tympanites A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympanites is heard if the chest contains free air (pneumothorax) or the abdomen is distended with gas. Another term for tympanites is tympany. Related 'ear' word families: auri-; myring-; oto-...
noun distension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavity
distention of the abdominal wall, as in peritonitis, caused by the accumulation of gas or air in the intestine or peritoneal cavity.