Meaning of diachrony

di•ach•ro•ny

Pronunciation: (dī-ak'ru-nē), [key]
— pl. -nies.
    1. a diachronic approach to language study.
    2. change or development in a linguistic system over a period of time.
  1. historical change.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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