Found 2 items, similar to ectasis.
English → English (WordNet) Definition: ectasis ectasis n : dilatation or distension of a hollow organ [syn: ectasia]
English → English (gcide) Definition: Ectasis Ectasis \Ec"ta*sis\, n. [L., fr. Gr. ?; 'ek out + ? to stretch.] (Pros.) The lengthening of a syllable from short to long. [1913 Webster]