1. Linguistics A predictable phonetic variant of a phoneme. For example, the aspirated t of top, the unaspirated t of stop, and the tt (pronounced as a flap) of batter are allophones of the English phoneme /t/.
2. or Allophone Canadian A person whose native language is other than French or English.
al′lo·phonic (-fŏnĭk) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.