international pitch
Origin of international pitch
1First recorded in 1900–05
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British Dictionary definitions for international pitch
international pitch
noun
music the frequency of 435 hertz assigned to the A above middle C, widely used until 1939: See pitch 1 (def. 30)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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