catastrophe
noun1540{ds||4||}
- a momentous tragic event ranging from extreme misfortune to utter overthrow or ruin
- utter failure : fiasco
- a violent and sudden change in a feature of the earth
catastrophe theory
noun
catastrophe theory
\
1971
- mathematical theory and conjecture that uses topology to explain events (such as an earthquake or a stock market crash) characterized by major abrupt changes
Powered by Merriam-Webster