pointclass

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noun

A collection of sets of points (ordinarily understood to be elements of some perfect Polish space), characterized by some sort of definability property.

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Meanings

nounpointclass (plural pointclasses)

plural pointclasses

  1. mathematicsA collection of sets of points (ordinarily understood to be elements of some perfect Polish space), characterized by some sort of definability property.

Origin

From point + class.

Full word history & related roots →
Cite this entry
APA

pointclass. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/pointclass

MLA

“pointclass.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pointclass. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “pointclass,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/pointclass.

Source: pointclass on Wiktionary, CC BY-SA 4.0.