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Webster's New World College Dictionary » meltdown
meltdown
meltdown definition
melt·down (-do̵un′)
noun
- a situation in which a rapid rise in the power level of a nuclear reactor, as from a defect in the cooling system, results in the melting of the fuel rods and the release of dangerous radiation and may cause the core to sink into the earth
- a decline or breakdown in a situation or condition
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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