ectasis

English Thesaurus

1. dilatation or distension of a hollow organ (noun.state)

hypernym	:	dilatation, distension, distention,
definition	:	the state of being stretched beyond normal dimensions (noun.state)

hyponym	:	lymphangiectasia, lymphangiectasis,
definition	:	dilatation of a lymph vessel (noun.state)

hyponym	:	alveolar ectasia,
definition	:	abnormal enlargement of the air sacs in the lungs (noun.state)