Standard Lemma guide

tesseract

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈtɛ.səˌɹækt/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 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).

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any of various fictional mechanisms that explain extradimensional, superluminal, or time travel outside the geometry of the physical universe.

Definition source: English Wiktionary via Wiktextract

Topics: literature, media, publishing, science-fiction

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the four-dimensional analogue of a cube

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: cube, regular hexahedron

History

Etymology

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

Across languages

Translations

18 source translations are retained for this English entry.

  • Bulgarian: тесеракт (teserakt) — four-dimensional analogue of a cube
  • Chinese Mandarin: 四維超正方體 /四维超正方体 (sìwéichāozhèngfāngtǐ) — four-dimensional analogue of a cube
  • Chinese Mandarin: 正八胞體 /正八胞体 (zhèngbābāotǐ) — four-dimensional analogue of a cube
  • Czech: teserakt — four-dimensional analogue of a cube
  • Finnish: tesserakti — four-dimensional analogue of a cube
  • French: tesseract — four-dimensional analogue of a cube
  • German: Tesserakt — four-dimensional analogue of a cube
  • Hindi: चतुरक्तु (caturaktu) — four-dimensional analogue of a cube
  • Icelandic: ferverpill — four-dimensional analogue of a cube
  • Icelandic: fjórvíður teningur — four-dimensional analogue of a cube
  • Japanese: 正八胞体 (seihachihōtai) — four-dimensional analogue of a cube
  • Macedonian: тесеракт (teserakt) — four-dimensional analogue of a cube
  • Polish: tesserakt — four-dimensional analogue of a cube
  • Portuguese: tesserato — four-dimensional analogue of a cube
  • Russian: тессеракт (tesserakt) — four-dimensional analogue of a cube
  • Slovak: teserakt — four-dimensional analogue of a cube
  • Spanish: teseracto — four-dimensional analogue of a cube
  • Swedish: tesserakt — four-dimensional analogue of a cube
Real reading context

tesseract in complete knowledge articles