orthant

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noun

An n-dimensional generalization of the quadrant (in two-dimensional Cartesian space) and octant (in three-dimensional space).

Similar
hyperoctant
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Meanings

nounorthant (plural orthants)

plural orthants

  1. geometryAn n-dimensional generalization of the quadrant (in two-dimensional Cartesian space) and octant (in three-dimensional space).

    Consider preferences defined over the nonnegative orthant by (x#95;1,x#95;2)#92;succ(y#95;1,y#95;2) if x#95;1#43;x#95;2lt;y#95;1#43;y#95;2 […]

    1992, Hal R. Varian, Microeconomic Analysis, 3rd edition, Norton, page 114

    Synonyms: hyperoctant

Synonyms & antonyms

nounAn n-dimensional generalization of the quadrant (in two-dimensional Cartesian space) and octant (in three-dimensional space).

Similar
hyperoctant
Also see
hyperoctant
Cite this entry
APA

orthant. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/orthant

MLA

“orthant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orthant. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “orthant,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/orthant.

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