meltdown accident

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• Meltdown — is a term generally referring to a nuclear meltdown or the melting of a nuclear reactor core as a result of a serious nuclear accident. The term has also been borrowed to describe the following: The Subprime mortgage crisis A tantrum Meltdown… …   Wikipedia

• meltdown — ► NOUN 1) an accident in a nuclear reactor in which the fuel overheats and melts the reactor core. 2) a disastrous collapse or breakdown …   English terms dictionary

• meltdown — UK [ˈmeltˌdaʊn] / US noun [countable/uncountable] Word forms meltdown : singular meltdown plural meltdowns 1) physics an accident in a nuclear reactor in which the temperature increases in the nuclear fuel until it melts and bursts through its… …   English dictionary

• meltdown — melt|down [ melt,daun ] noun count or uncount 1. ) an accident in a NUCLEAR REACTOR in which the temperature increases in the nuclear fuel until it melts through its container and RADIATION escapes 2. ) a sudden and complete failure of a company …   Usage of the words and phrases in modern English

• meltdown — [ˈmeltˌdaʊn] noun [C/U] 1) a sudden complete failure of a company, organization, or system a global financial meltdown[/ex] 2) an accident in which nuclear fuel melts through its container …   Dictionary for writing and speaking English

• meltdown — /melt down /, n. the melting of a significant portion of a nuclear reactor core due to inadequate cooling of the fuel elements, a condition that could lead to the escape of radiation. [1960 65; n. use of v. phrase melt down] * * * Occurrence in… …   Universalium

• meltdown — noun 1》 an accident in a nuclear reactor in which the fuel overheats and melts the reactor core or shielding. 2》 a disastrous collapse or breakdown …   English new terms dictionary

• meltdown — melt•down [[t]ˈmɛltˌdaʊn[/t]] n. 1) phs ene the melting of a significant portion of a nuclear reactor core due to inadequate cooling of the fuel elements 2) cvb any quickly developing breakdown, mishap, or accident • Etymology: 1960–65 …   From formal English to slang

• Chernobyl accident — Accident at the Chernobyl (Ukraine) nuclear power station in the Soviet Union, the worst in the history of nuclear power generation. On April 25–26, 1986, technicians attempted a poorly designed experiment, causing the chain reaction in the core… …   Universalium

• Nuclear meltdown — Three of the reactors at Fukushima I overheated, causing core meltdowns. This was compounded by hydrogen gas explosions and the venting of contaminated steam which released large amounts of radioactive material into the air.[1] …   Wikipedia

• Three Mile Island accident — The Three Mile Island accident of 1979 was the most significant accident in the history of the American commercial nuclear power generating industry. It resulted in the release of a significant amount of radioactivity, an estimated 43,000 curies… …   Wikipedia