Noun.  (linguistics) The substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation; as, (term, get) , (term, gat) , and (term, got) ; (term, sing) and (term, song) ; (term, hang) and (term, hung) , distinct from the phonetic influence of a succeeding vowel.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.