rarefacción

[raɾefakˈsjõn]

/[raɾefakˈsjõn]/ noun

The verdict

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

Unranked
below top-frequency Spanish
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Acción y efecto de rarefacer o rarefacerse.

Corpus desk

Index ES-rarefaccion · rarefacción · Spanish

rarefacción · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" thin
  • PHOTO-UNK Peer pending

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 rarefacción
PropertyValue
Headwordrarefacción
LanguageSpanish
Part of speechNoun
IPA[raɾefakˈsjõn]
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “rarefacción” en español

rarefacciónestá más allá de las 100.000 formas más frecuentes del español, en la cola de léxico especializado o poco usado donde la duda ortográfica aprieta.

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

Rare enough to double-check

rarefacción is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [raɾefakˈsjõn]. Rarity is why readers land here mid-draft. 3 senses are on record.

The misspelling generator found no plausible variants for rarefacción, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct Spanish form is rarefacción, spelled R-A-R-E-F-A-C-C-I-Ó-N.

Definition

  1. 1
    Acción y efecto de rarefacer o rarefacerse.
  2. 2
    Acción por la cual un cuerpo se dilata y extiende, ocupando más lugar que antes, y haciéndose menos densas las partes que le componen.
  3. 3
    Efecto generado por la compresión de las moléculas del aire, que finalmente, emiten sonido; propagación del sonido.

Antonyms

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 "rarefacción"?
"rarefacción" is spelled R-A-R-E-F-A-C-C-I-Ó-N. The IPA pronunciation is [raɾefakˈsjõn].
What does "rarefacción" mean?
As a noun, "rarefacción" means: Acción y efecto de rarefacer o rarefacerse.
How do you pronounce "rarefacción"?
The IPA (International Phonetic Alphabet) transcription for "rarefacción" is [raɾefakˈsjõn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "rarefacción" come from?
"rarefacción" 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.

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

Source: FrequencyWords open word-frequency list