halfspace

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noun

Either of the two parts of a three-dimensional object cut by a two-dimensional plane

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Meanings

nounhalfspace (plural halfspaces)

plural halfspaces

  1. geometryEither of the two parts of a three-dimensional object cut by a two-dimensional plane
  2. geographyA simple mathematical model of the structure of the Earth, as used in seismology.

Origin

From half + space.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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