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unaccentuation
unaccentuation n. 
/ˌʌnəksɛntʃʊˈeɪʃn/, /ˌʌnaksɛntjʊˈeɪʃn/, /ˌʌnaksɛntʃʊˈeɪʃn/, /ˌənækˌsɛn(t)ʃuˈeɪʃ(ə)n/
Brit. /ˌʌnəksɛntjʊˈeɪʃn/
, /ˌʌnəksɛntjʊˈeɪʃn//ˌʌnəksɛntʃʊˈeɪʃn//ˌʌnaksɛntjʊˈeɪʃn//ˌʌnaksɛntʃʊˈeɪʃn/U.S. /ˌənəkˌsɛn(t)ʃuˈeɪʃ(ə)n/
, /ˌənəkˌsɛn(t)ʃuˈeɪʃ(ə)n//ˌənækˌsɛn(t)ʃuˈeɪʃ(ə)n/ΚΠ
1872 C. M. Ingleby Soule Arayed 10 The unaccentuation of the initial vowel in aray tells the other way.
1921 G. Overton Answerer i. 117 The contours of his face had a thinness, an unaccentuation of especial charm.
2014 P. Bergmann in J. C. Reina & R. Szczepaniak Syllable & Word Langs. iii. 266 In relation to accentuation, unaccentuation leads to an increased weakening of the word-internal boundary.
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