Word.ws English Dictionary

tessaract

tessaract is the alternative spelling of tesseract.

Meaning of tesseract

Noun

tesseract (plural tesseracts)

  1. 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).
    • Hence the cube determined by these axes is the face of the tesseract which we now have before us.1906, Charles Howard Hinton, The Fourth Dimension, S. Sonnenschein & Company, page 239
    Synonyms:
    four-dimensional hypercube, 4-cube, 8-cell, octachoron, tetracube
  2. Any of various fictional mechanisms that explain extradimensional, superluminal, or time travel outside the geometry of the physical universe.
    • "I shall just sit down for a moment and pop on my boots and then I'll be on my way. Speaking of ways, pet, by the way, there is such a thing as a tesseract."1962, Madeleine L'Engle, A Wrinkle in Time, published 2019, unnumbered page

Forms of tessaract

pluraltessaracts

Origin of tessaract

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

Questions about tessaract

What is tessaract the alternative spelling of?
Tessaract is the alternative spelling of tesseract.

Words near tessaract in the dictionary

  1. Tesoros
  2. Tess
  3. TESSA
  4. Tessalit
  5. tessara-
  6. tessaract
  7. tessaracts
  8. tessaradecad
  9. tessaradecads
  10. tessaratomid
  11. tessaratomids

Source and license

Adapted from Wiktionary: tessaract (page history and authors); tesseract (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “tessaract.” Word.ws, https://word.ws/tessaract. Based on Wiktionary, CC BY-SA 4.0.