camera obscura

/ˌkæm.ə.ɹə əbˈskjʊə.ɹə/

//ˌkæm.ə.ɹə əbˈskjʊə.ɹə// noun

"camera-obscura" is a 13-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A darkened chamber in which the image of an outside object is projected and focused onto a surface.

Key facts for camera obscura
PropertyValue
Headwordcamera obscura
LanguageEnglish
Part of speechNoun
IPA/ˌkæm.ə.ɹə əbˈskjʊə.ɹə/
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “camera obscura” sits in English frequency

camera obscura 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

camera obscura is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌkæm.ə.ɹə əbˈskjʊə.ɹə/. Rarity is why readers land here mid-draft. Gloss: "A darkened chamber in which the image of an outside object is projected and focused onto a surface.".

We couldn't generate a plausible misspelling set for camera obscura, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From New Latin camera obscūra (literally “dark chamber”); compare camera. The correct English form is camera obscura, spelled C-A-M-E-R-A- -O-B-S-C-U-R-A.

Definition

  1. 1
    A darkened chamber in which the image of an outside object is projected and focused onto a surface.

Etymology

From New Latin camera obscūra (literally “dark chamber”); compare camera.

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 "camera obscura"?
"camera obscura" is spelled C-A-M-E-R-A- -O-B-S-C-U-R-A. The IPA pronunciation is /ˌkæm.ə.ɹə əbˈskjʊə.ɹə/.
What does "camera obscura" mean?
As a noun, "camera obscura" means: A darkened chamber in which the image of an outside object is projected and focused onto a surface.
How do you pronounce "camera obscura"?
The IPA (International Phonetic Alphabet) transcription for "camera obscura" is /ˌkæm.ə.ɹə əbˈskjʊə.ɹə/. 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 "camera obscura"?
From New Latin camera obscūra (literally “dark chamber”); compare camera. 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 “camera obscura”

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

  • The one correct English spelling is C-A-M-E-R-A- -O-B-S-C-U-R-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌkæm.ə.ɹə əbˈskjʊə.ɹə/ (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
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