de Sitter space

noun

A Lorentzian manifold in Minkowski space which is the analogue of the sphere in ordinary Euclidean space.

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Meanings

nounde Sitter space (plural de Sitter spaces)

plural de Sitter spaces

  1. A Lorentzian manifold in Minkowski space which is the analogue of the sphere in ordinary Euclidean space.

Origin

Named after Willem de Sitter (1872–1934), professor of astronomy.

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Cite this entry
APA

de Sitter space. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/de%20Sitter%20space

MLA

“de Sitter space.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/de%20Sitter%20space. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “de Sitter space,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/de%20Sitter%20space.

Source: de Sitter space on Wiktionary, CC BY-SA 4.0.