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Catastrophe or catastrophic comes from the Greek κατά (''kata'') = down; στροφή (''strophē'') = turning. It may refer to: ==A general or specific event== * Disaster * Aral Sea catastrophe or Aral Sea crisis, the environmental, economic, health, social, and other disruptions caused by Soviet diversion of rivers into the Aral Sea * The (Asia Minor) Catastrophe, a Greek name for the 1923 population exchange between Greece and Turkey * Blue sky catastrophe, a type of bifurcation of a periodic orbit, where the orbit ''vanishes into the blue sky'' * Catastrophic failure, complete failure of a system from which recovery is impossible (e.g. a bridge collapses) * Climatic catastrophe, forced transition of climate system to a new climate state at a rate which is more rapid than the rate of change of the external forcing * Cosmic catastrophe, thought experiment about what would happen if the sun were to suddenly disappear * Ecological catastrophe, a disaster to the natural environment due to human activity * Error catastrophe, extinction of an organism as a result of excessive mutations * Garbage catastrophe, a theory that the process of aging may derive from imperfect clearance of oxidatively damaged, relatively indigestible material * Impending climatic catastrophe, conjectured runaway climate change resulting from a rise in the average temperature of the Earth's climate system * Infrared catastrophe or infrared divergence is a situation in particle physics in which a particular integral diverges * Iron catastrophe, runaway melting of early earth's interior as a result of potential energy release from sinking iron and nickel melted by heat of radioactive decay * Late Bronze Age collapse * Malthusian catastrophe, prediction of a forced return to subsistence-level conditions once population growth has outpaced agricultural production * Mitotic catastrophe, an event in which a cell is destroyed during mitosis * The Nakba, the 1948 expulsion of Palestinians from their homes * Nedelin catastrophe or Nedelin disaster, launch pad accident at Baikonur test range of Baikonur Cosmodrome * Oxygen catastrophe, the biologically induced appearance of dioxygen (O2) in Earth's atmosphere * Runaway climate change or Climatic catastrophe, hypothesized runaway global warming when a tipping point is exceeded * Toba catastrophe hypothesis, hypothesis that the Toba supervolcanic eruption caused a global volcanic winter and 1,000-year-long cooling episode * Ultraviolet catastrophe, the prediction by classical physics that a black body will emit radiation at infinite power * Vacuum catastrophe, the discrepancy between theoretical and measured vacuum energy density in cosmology * Volcanic catastrophe, the predicted global climatic disruptions caused by a supervolcanic eruption 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Catastrophe」の詳細全文を読む スポンサード リンク
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