tesseract

English

A two-dimensional projection of a tesseract.

Etymology

From tessara- (“four-”) +‎ Ancient Greek ἀκτίς (aktís, “ray”).

Noun

tesseract (plural tesseracts)

1. (mathematics) The four-dimensional analogue of a cube; a 4D polytope bounded by eight cubes (in the same way a cube is bounded by six squares).
2. (science fiction) Any of various fictional mechanisms that explain extradimensional, superluminal, or time travel outside the geometry of the physical universe.

Synonyms

• (analogue of a cube): four-dimensional hypercube, 4-cube, 8-cell, octachoron, tetracube

Hypernyms

• hypercube, polytope

Derived terms

• tesseractic

Translations

four-dimensional analogue of a cube

• Czech: teserakt (cs) m
• Finnish: tesserakti (fi)
• Icelandic: ferverpill (is) m, fjórvíður teningur m
• (deprecated template usage) {{trans-mid}}
• Spanish: teseracto m
• Swedish: tesserakt c

See also

• tesseract on Wikipedia.Wikipedia
• Mathworld article on the tesseract

Anagrams

• rascettes