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meltdown |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.04 sec. |
meltdownOccurrence in which a huge amount of thermal energy and radiation is released as a result of an uncontrolled chain reaction in a nuclear power reactor. The chain reaction that occurs in the reactor's core must be carefully regulated by control rods, which absorb neutrons, and a moderator, which reduces their energy. If the core becomes too hot, it can melt, releasing large amounts of radiation. See also Chernobyl accident. The total cessation of operation of a computer system or network. A system meltdown can be caused by hardware or software. A network meltdown can be caused by hardware, software or excessive traffic.
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2 3 You, Me and Dupree Universal 3 2 The Da Vinci Code Sony 4 1 Ice Age: The Meltdown Fox 5 New Clerks II Weinstein/Genius Week ended Dec. SAN FRANCISCO -- Bay Area am Oscar Brush dropped his sponsors during a tantrum and performed one of the most dramatic meltdowns in skate history by futilely attempting to burn both the Golden Gate and San Francisco Bay Bridges. From the threat of nuclear plant meltdowns to much-needed reforms in medical technology and health care, The Human Factor is a vital "must-read" keyed to better understanding the modern world and preparing for the future. |
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