quasi-stellar object

noun

By · According to Wiktionary data (CC BY-SA) ·

"quasi-stellar-object" is a 18-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
20
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - a quasar

Key facts for quasi-stellar object
PropertyValue
Headwordquasi-stellar object
LanguageEnglish
Part of speechNoun
Letters20
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “quasi-stellar object” sits in English frequency

quasi-stellar object falls 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

quasi-stellar object is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for quasi-stellar object in our index, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From quasi- + stellar + object, from its appearance as a point-like object similar to a star, but with a spectrum unlike that found in a star. The correct English form is quasi-stellar object, spelled Q-U-A-S-I---S-T-E-L-L-A-R- -O-B-J-E-C-T.

Definition

  1. 1
    a quasar
  2. 2
    a radio-quiet quasar

Etymology

From quasi- + stellar + object, from its appearance as a point-like object similar to a star, but with a spectrum unlike that found in a star.

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 "quasi-stellar object"?
"quasi-stellar object" is spelled Q-U-A-S-I---S-T-E-L-L-A-R- -O-B-J-E-C-T.
What does "quasi-stellar object" mean?
As a noun, "quasi-stellar object" means: a quasar
What is the origin of the word "quasi-stellar object"?
From quasi- + stellar + object, from its appearance as a point-like object similar to a star, but with a spectrum unlike that found in a star. 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 “quasi-stellar object”

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

  • The one correct English spelling is Q-U-A-S-I---S-T-E-L-L-A-R- -O-B-J-E-C-T - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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