Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

craton

play
noun cra·ton \ˈkrā-ˌtän, ˈkra-\

Definition of craton

  1. :  a stable relatively immobile area of the earth's crust that forms the nuclear mass of a continent or the central basin of an ocean

cratonic

play \krə-ˈtä-nik, krā-, kra-\ adjective


Origin and Etymology of craton

German Kraton, modification of Greek kratos strength — more at hard


First Known Use: 1944


Learn More about craton


Seen and Heard

What made you want to look up craton? Please tell us where you read or heard it (including the quote, if possible).