double descent

American  

[duhb-uhl-di-sent] / ˈdʌb əl dɪˈsɛnt /

noun

1. Anthropology. a kinship system in which descent through both father and mother are relevant in determining status with regard to different social practices, such as clan membership, inheritance rights, or other customs.

2. Computers. in machine learning, a phenomenon in which test error decreases, then increases, and decreases again as the parameters of a model become more numerous in relation to the quantity of data.

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Example Sentences

These aborigines are now best represented by the Gauchos, who are mostly Spaniards on the father's side and Indians on the mother's, and reflect this double descent in their half-nomadic, half-civilised life.

From Project Gutenberg

He recognises the double descent and twofold parentage, and the later wanderings that had deceived him among ancient lands.

From Project Gutenberg

He appeared content with a lineage and wealth which placed him at the head of the English baronage; for he had inherited from his uncle the Dukedom of York, his wide possessions embraced the estates of the families which united in him, the houses of York, of Clarence, and of Mortimer, and his double descent from Edward the Third, if it did no more, set him near to the Crown.

From Project Gutenberg

The leopard, as is well known, was not for the Greek and Latin zoologists a species by itself, but a mongrel birth of the male panther or pard and the lioness; and in 'leopard' or 'lion-pard' this fabled double descent is expressed.

From Project Gutenberg

The first question Lady Drummond said she could hardly answer; perhaps the Earl of Salisbury and the Duchess, but the Duke was certainly noblest by birth, having a double descent from King Edward, and in the male line.

From Project Gutenberg