Ectasis
Pronunciation : Ec"ta*sis
Part of Speech : n.
Etymology : [L., fr. Gr. (Pros.)
Definition : Defn: The lengthening of a syllable from short to long.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder