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magic number
noun
The number of neutrons or protons in nuclei which are required to fill the major quantum shells, and thus produce exceptionally stable nuclei - 2, 8, 20, 28, 50, 82 & 126
Exact(60)
What's Boehner's magic number?
The magic number is 50%.
New York's current magic number is six.
The magic number is 270.
Their magic number is five.
That was the magic number.
"It is the magic number".
"Twenty is the magic number," he said.
"There's no magic number," he said.
In Cleveland, the magic number is 14.
Two minutes was the magic number.
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