nebulosity

noun

"nebulosity" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The characteristic of being nebulous; cloudiness (measured in octas).

Corpus desk

Index EN-nebulosity · nebulosity · English

nebulosity · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 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 nebulosity
PropertyValue
Headwordnebulosity
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nebulosity” in English

nebulosityfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

nebulosity is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The characteristic of being nebulous; cloudiness (measured in octas).".

No generated misspelling entries exist for nebulosity in our index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Latin nebulōsitās. The correct English form is nebulosity, spelled N-E-B-U-L-O-S-I-T-Y.

Definition

  1. 1
    The characteristic of being nebulous; cloudiness (measured in octas).

Recorded use

Wiktionary examples

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

  1. With higher powers the field does not appear to be sufficiently large to allow of each streak of nebulosity being compared with the surrounding parts where the nebulosity is not quite so bright.
  2. If one conceives by analogy all the stars formed in this manner, one can imagine their anterior state of nebulosity itself preceded by other stars in which the nebulous matter was more and more diffuse, the nucleus being less and less luminous and dense.

Etymology

From Latin nebulōsitās.

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 "nebulosity"?
"nebulosity" is spelled N-E-B-U-L-O-S-I-T-Y.
What does "nebulosity" mean?
As a noun, "nebulosity" means: The characteristic of being nebulous; cloudiness (measured in octas).
What is the origin of the word "nebulosity"?
From Latin nebulōsitās. 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.

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

Source: FrequencyWords open word-frequency list