USEFULNESS
\jˈuːsfə͡lnəs], \jˈuːsfəlnəs], \j_ˈuː_s_f_əl_n_ə_s]\
Definitions of USEFULNESS
- 2006 - WordNet 3.0
- 2011 - English Dictionary Database
- 1871 - The Cabinet Dictionary of the English Language
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international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C