Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a language, as Chinese or some Bantu or Southeast Asian languages, in which pitch variation is used to distinguish words that would otherwise sound alike
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A language, as Mandarin or Somali, in which pitch or the pitch contour distinguishes the meanings of words that are otherwise the same phonologically.