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

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

From The Aeneid of Virgil by Virgil