Hypertext Webster Gateway: "ablaut"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Ablaut \Ab"laut\, n. [Ger., off-sound; ab off + laut sound.]
(Philol.)
The substitution of one root vowel for another, thus
indicating a corresponding modification of use or meaning;
vowel permutation; as, get, gat, got; sing, song; hang, hung.
--Earle.
From WordNet (r) 1.7 (wn)
ablaut
n : a vowel whose quality or length is changed to indicate
linguistic distinctions (such as sing sang sung song)
[syn: {gradation}]
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