diachronism

/ (daɪˈækrəˌnɪzəm) /

noun

geology the passage of a geological formation across time planes, as occurs when a marine sediment laid down by an advancing sea is noticeably younger in the direction of advancement

Nearby words

  1. diacetone alcohol,
  2. diacetyl,
  3. diacetylmorphine,
  4. diachronic,
  5. diachronic linguistics,
  6. diachrony,
  7. diachylon,
  8. diacid,
  9. diacidic,
  10. diaclasis

Derived Formsdiachronous, adjective

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 diachronism

  • Nor would their diachronism be more certainly inferrible from the physical traces of them, in the one case than in the other.

    Omphalos|Philip Henry Gosse