hypercube

/ˈhaɪ.pə.kjuːb/

//ˈhaɪ.pə.kjuːb// noun

"hypercube" is a 9-letter English headword indexed on PlainSpell.

The verdict

“hypercube” is uncommon English (frequency #93,814 among 2,646 “H” headwords), classed as a noun. The kind of spelling people second-guess.

#93,814
frequency rank, English
2,646
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A geometric figure in four or more dimensions, which is analogous to a cube in three dimensions. Specifically, the n-dimensional equivalent of a cube for any non-negative integer n.

Corpus desk

Index EN-hypercube · hypercube · English

hypercube · rank #93,814 · 0 variants · 0 confusables

  • FREQ-RARE #93,814
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH Hyogo

Nearest frequency peer: Hyogo (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “hypercube”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “hypercube” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for hypercube
PropertyValue
Headwordhypercube
LanguageEnglish
Part of speechNoun
IPA/ˈhaɪ.pə.kjuːb/
Letters9
Frequency rank#93,814
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “hypercube” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).hypercubefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Hyogo” (#93,813), “hypnotherapist” (#93,815), “Ibbotson” (#93,818). Among 2,646 “H” headwords, “hypercube” is #93,814. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

hypercube is uncommon English at frequency #93,814 among 2,646 “H” headwords, classed as anoun, transcribed /ˈhaɪ.pə.kjuːb/. Rarity is why readers land here mid-draft. 4 senses are on record.

Zero misspellings are on record for hypercube in our index, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From hyper- + cube. The correct English form is hypercube, spelled H-Y-P-E-R-C-U-B-E.

Definition

  1. 1
    A geometric figure in four or more dimensions, which is analogous to a cube in three dimensions. Specifically, the n-dimensional equivalent of a cube for any non-negative integer n.
  2. 2
    Such a figure in four dimensions; a tesseract.
  3. 3
    A data cube with more than three dimensions.
  4. 4
    A computer architecture in which each processor is connected to n others, by analogy with a hypercube of n dimensions.

Etymology

From hyper- + cube.

Synonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "hypercube"?
"hypercube" is spelled H-Y-P-E-R-C-U-B-E. The IPA pronunciation is /ˈhaɪ.pə.kjuːb/.
What does "hypercube" mean?
As a noun, "hypercube" means: A geometric figure in four or more dimensions, which is analogous to a cube in three dimensions. Specifically, the n-dimensional equivalent of a cube for any non-negative integer n.
How do you pronounce "hypercube"?
The IPA (International Phonetic Alphabet) transcription for "hypercube" is /ˈhaɪ.pə.kjuːb/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "hypercube"?
From hyper- + cube. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "hypercube", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list