melt-through
melt-through
[′melt ‚thrü] (nucleonics)
An accident in a nuclear reactor in which melting of the fuel core (meltdown) leads to runaway melting of nuclear fuel out of the bottom of the reactor, down through the concrete mat below, and into the earth. Also known as China syndrome.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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