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definition of the word catastrophe

by the Wiktionnary

From the Ancient Greek καταστροφή el(el), derived from the verb καταστρέφω, "to overturn", from κατά "down" + στρέφω "turn".



catastrophe (plural catastrophes)

  1. Any large and disastrous event of great significance.
  2. (insurance) A disaster beyond expectations
  3. (narratology) The dramatic event that initiates the resolution of the plot in a tragedy.
  4. (mathematics) A type of bifurcation, where a system shifts between two stable states.

Definition from Wiktionary
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