brane

/bɹeɪn/

//bɹeɪn// noun

"brane" is a 5-letter English headword indexed on PlainSpell.

The verdict

“brane” is uncommon English (frequency #86,084 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#86,084
frequency rank, English
31,241
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A hypothetical object extending across a number of (often specified) spatial dimensions, with strings in string theory seen as one-dimensional examples.

Key facts for brane
PropertyValue
Headwordbrane
LanguageEnglish
Part of speechNoun
IPA/bɹeɪn/
Letters5
Frequency rank#86,084
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “brane” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). brane lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

brane is uncommon English at frequency #86,084 among 31,241 “B” headwords, classed as anoun, transcribed /bɹeɪn/. Rarity is why readers land here mid-draft. Gloss: "A hypothetical object extending across a number of (often specified) spatial dimensions, with strings in string theory seen as one-dimensional examples.".

We couldn't generate a plausible misspelling set for brane, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Contracted form of membrane. The correct English form is brane, spelled B-R-A-N-E.

Definition

  1. 1
    A hypothetical object extending across a number of (often specified) spatial dimensions, with strings in string theory seen as one-dimensional examples.

Etymology

Contracted form of membrane.

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 "brane"?
"brane" is spelled B-R-A-N-E. The IPA pronunciation is /bɹeɪn/.
What does "brane" mean?
As a noun, "brane" means: A hypothetical object extending across a number of (often specified) spatial dimensions, with strings in string theory seen as one-dimensional examples.
How do you pronounce "brane"?
The IPA (International Phonetic Alphabet) transcription for "brane" is /bɹeɪn/. 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 "brane"?
Contracted form of membrane. 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.

Using “brane”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-R-A-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as /bɹeɪn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list