cáustica

[ˈkawst̪ika]

/[ˈkawst̪ika]/ noun

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

The verdict

“cáustica” is uncommon Spanish (frequency #66,036 among 77,812 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#66,036
frequency rank, Spanish
77,812
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Envolvente de los rayos de luz reflejados o refractados por una superficie curva u objeto.

Key facts for cáustica
PropertyValue
Headwordcáustica
LanguageSpanish
Part of speechNoun
IPA[ˈkawst̪ika]
Letters8
Frequency rank#66,036
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cáustica” sits in Spanish frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). cáustica lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cáustica is uncommon Spanish at frequency #66,036 among 77,812 “C” headwords, classed as anoun, transcribed [ˈkawst̪ika]. Rarity is why readers land here mid-draft. 3 senses are on record.

cáustica has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This headword's origin isn't recorded in our source data, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Spanish form is cáustica, spelled C-Á-U-S-T-I-C-A.

Definition

  1. 1
    Envolvente de los rayos de luz reflejados o refractados por una superficie curva u objeto.
  2. 2
    Proyección de esa envolvente de rayos₄ en otra superficie.
  3. 3
    La curva en la cual los rayos de luz son tangentes, determinando una frontera de la envolvente de rayos₄ como una curva de luz concentrada.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "cáustica"?
"cáustica" is spelled C-Á-U-S-T-I-C-A. The IPA pronunciation is [ˈkawst̪ika].
What does "cáustica" mean?
As a noun, "cáustica" means: Envolvente de los rayos de luz reflejados o refractados por una superficie curva u objeto.
How do you pronounce "cáustica"?
The IPA (International Phonetic Alphabet) transcription for "cáustica" is [ˈkawst̪ika]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cáustica" come from?
"cáustica" is a Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “cáustica”

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

  • The one correct Spanish spelling is C-Á-U-S-T-I-C-A - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈkawst̪ika] (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

Other uncommon Spanish words near this rank

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