ectasis

from WordNet (r) 3.0 (2006)
ectasis
    n 1: dilatation or distension of a hollow organ [syn: {ectasia},
         {ectasis}]
    
from The Collaborative International Dictionary of English v.0.48
Ectasis \Ec"ta*sis\, n. [L., fr. Gr. ?; 'ek out + ? to stretch.]
   (Pros.)
   The lengthening of a syllable from short to long.
   [1913 Webster]
    

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