hyperdescent en · NOUN
Etymology
From hyper- + descent.
Meanings
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(uncountable) The practice of classifying a child of mixed race ancestry into the more socially dominant of the parents' races.
In contrast, American Indians have generally been identified by hyperdescent, a principle that stipulates some minimum amount of ancestry as a necessary condition for qualification.
2002, Joel Perlmann, The New Race Question: How the Census Counts Multiracial Individuals: