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plural half-integers
Definition of half-integer
: any number of the form x/2, where x is any odd integer Particles whose spin is a half-integer of h, on the other hand, are fermions satisfying the Pauli exclusion principle; no two particles can have the same state.— Qimiao Si et al., Science, 3 Sept. 2010
Note: A half of an even integer is considered an integer. A half-integer is the result of a half of an odd integer.
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The first known use of half-integer was in 1897
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