China-syndrome

China syndrome

noun
a hypothetical nuclear-reactor accident in which the fuel would melt through the floor of the containment structure and burrow into the earth.

Origin:
1970–75; from the jocular notion that the hot reactor core would pass through to the other side of the earth

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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China-syndrome is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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