Dictionary.com
definitions

pitch accent

noun

(in languages such as Ancient Greek or modern Swedish) an accent in which emphatic syllables are pronounced on a higher musical pitch relative to other syllablesAlso called: tonic accent
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

Examples from the Web for pitch accent

Historical Examples of pitch accent

  • The conclusion is that "ictus in conflict requires a pitch-accent."

    English Verse

    Raymond MacDonald Alden, Ph.D.