tessaract

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A form of tesseract — The four-dimensional analogue of a cube; a 4D polytope bounded by eight cubes (analogously to the way a cube is bounded by six squares).

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Meanings

nountessaract (plural tessaracts)

plural tessaracts

  1. alternativeAlternative spelling of tesseract.

    The tessaract, the figure whose boundaries are cubes, I knew by heart.

    1917, Algernon Blackwood, “A Victim of Higher Space”, in Day and Night Stories

Origin

From tessara- (“four-”) + Ancient Greek ἀκτίς (aktís, “ray”). Coined by British mathematician Charles Howard Hinton in 1888.

Full word history & related roots →

Rhymes & wordplay

Anagrams

satcaster
Cite this entry
APA

tessaract. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tessaract

MLA

“tessaract.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tessaract. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tessaract,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tessaract.

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