normal distribution

/ˌnɔɹməl ˌdɪstɹəˈbjuʃən/

//ˌnɔɹməl ˌdɪstɹəˈbjuʃən// noun

"normal-distribution" is a 18-letter English headword indexed on PlainSpell.

The verdict

“normal distribution” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
19
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of a family of continuous probability distributions such that the probability density function is the Gaussian function

Corpus desk

Index EN-normal-distribution · normal distribution · English

normal distribution · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 19 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" thin
  • PHOTO-UNK Peer pending

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.

Key facts for normal distribution
PropertyValue
Headwordnormal distribution
LanguageEnglish
Part of speechNoun
IPA/ˌnɔɹməl ˌdɪstɹəˈbjuʃən/
Letters19
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “normal distribution” sits in English frequency

normal distributionranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

normal distribution is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌnɔɹməl ˌdɪstɹəˈbjuʃən/. Rarity is why readers land here mid-draft. Gloss: "Any of a family of continuous probability distributions such that the probability density function is the Gaussian function".

normal distribution has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is normal distribution, spelled N-O-R-M-A-L- -D-I-S-T-R-I-B-U-T-I-O-N.

Definition

  1. 1
    Any of a family of continuous probability distributions such that the probability density function is the Gaussian function

Recorded use

Wiktionary examples

These source excerpts show how normal distribution appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. φ_(μ,σ²)(x)=1/(σ√),e²)/(2σ²))=1/σφ((x-μ)/σ), x∈ℝ.
  2. It begins with the normal distribution, which is the limiting form of the sample sum over an arbitrary population.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "normal distribution"?
"normal distribution" is spelled N-O-R-M-A-L- -D-I-S-T-R-I-B-U-T-I-O-N. The IPA pronunciation is /ˌnɔɹməl ˌdɪstɹəˈbjuʃən/.
What does "normal distribution" mean?
As a noun, "normal distribution" means: Any of a family of continuous probability distributions such that the probability density function is the Gaussian function
How do you pronounce "normal distribution"?
The IPA (International Phonetic Alphabet) transcription for "normal distribution" is /ˌnɔɹməl ˌdɪstɹəˈbjuʃən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "normal distribution" come from?
"normal distribution" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

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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