caja negra

[ˈkaxa ˈneɣ̞ɾa]

/[ˈkaxa ˈneɣ̞ɾa]/ phrase

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

The verdict

“caja negra” is uncommon Spanish (outside the top frequency list), classed as a phrase. The kind of spelling people second-guess.

Unranked
below top-frequency Spanish
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Figuradamente, la caja donde se guardan dineros mal habidos o que escapan a la fiscalización.

Key facts for caja negra
PropertyValue
Headwordcaja negra
LanguageSpanish
Part of speechPhrase
IPA[ˈkaxa ˈneɣ̞ɾa]
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “caja negra” sits in Spanish frequency

caja negra falls outside the top-100,000 ranked Spanish 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

caja negra is uncommon Spanish outside the top frequency list, classed as aphrase, transcribed [ˈkaxa ˈneɣ̞ɾa]. Rarity is why readers land here mid-draft. 4 senses are on record.

We couldn't generate a plausible misspelling set for caja negra, a sign its spelling follows regular Spanish conventions. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Spanish form is caja negra, spelled C-A-J-A- -N-E-G-R-A.

Definition

  1. 1
    Figuradamente, la caja donde se guardan dineros mal habidos o que escapan a la fiscalización.
  2. 2
    El cerebro, desde el punto de vista de la sicología, situado entre un estímulo y una respuesta.
  3. 3
    En los aviones, caja de color anaranjado vistoso, que contiene las grabaciones de las mediciones de diferentes sensores. En caso de accidente, su recuperación es fundamental para esclarecerlo.
  4. 4
    Proceso en donde sólo se conoce cómo varían las respuestas (salidas) en función de los estímulos (entradas) aplicados, sin tener ningún conocimiento sobre cómo es el funcionamiento interno del mismo.

Synonyms

caja Bregistrador de vuelo

This word in other languages

black box(English)boîte noire(Français)Flugschreiber(Deutsch)

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 "caja negra"?
"caja negra" is spelled C-A-J-A- -N-E-G-R-A. The IPA pronunciation is [ˈkaxa ˈneɣ̞ɾa].
What does "caja negra" mean?
As a phrase, "caja negra" means: Figuradamente, la caja donde se guardan dineros mal habidos o que escapan a la fiscalización.
How do you pronounce "caja negra"?
The IPA (International Phonetic Alphabet) transcription for "caja negra" is [ˈkaxa ˈneɣ̞ɾa]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "caja negra" come from?
"caja negra" is a Spanish 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.

Using “caja negra”

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

  • The one correct Spanish spelling is C-A-J-A- -N-E-G-R-A - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈkaxa ˈneɣ̞ɾa] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish 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