zero-grade
Noun. (linguistics) In Proto-Indo-European linguistics, a term used to describe an ablaut form of a root characterized by the absence of the basic ablauting vowel phonemes */e/ and */o/.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license.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.