low back merger


English Wikipedia has an article on:


low back merger (uncountable)

  1. (phonology) The cot-caught merger.
    • 1994, William Labov, Principles of Linguistic Change, volume 3:
      The low back merger is one possible outcome of a series of triggering events outlined in Chapter 5, but it is itself the triggering event for a variety of further consequences for the English vowel system.