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, 19:49, June 16, 2011
'''Ablaut''' is a sytematic change in a [[vowel]] in a [[word]] as part of that word's [[morphology]]. An example of ablaut in [[English]] is ''sing, sang, sung, song.''<ref>[http://www.merriam-webster.com/dictionary/ablaut Definition of Ablaut]</ref>
==References==
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[[Category:Grammar]]