cerio

[ˈseɾjo]

/[ˈseɾjo]/ noun

The verdict

“cerio” is uncommon Spanish (frequency #96,096 among 77,812 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#96,096
frequency rank, Spanish
77,812
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponer...

Key facts for cerio
PropertyValue
Headwordcerio
LanguageSpanish
Part of speechNoun
IPA[ˈseɾjo]
Letters5
Frequency rank#96,096
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cerio” 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). cerio 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

cerio is uncommon Spanish at frequency #96,096 among 77,812 “C” headwords, classed as anoun, transcribed [ˈseɾjo]. Rarity is why readers land here mid-draft. Gloss: "El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponer...".

Our edit-distance generator produced no likely misspellings for cerio, which points to an orthography that plays by predictable Spanish rules. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry carries no recorded etymology, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is cerio, spelled C-E-R-I-O.

Definition

  1. 1
    El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponerlo al aire, es un elemento muy escaso en la corteza terrestre, donde aparece disperso en diversos minerales.

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); 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 "cerio"?
"cerio" is spelled C-E-R-I-O. The IPA pronunciation is [ˈseɾjo].
What does "cerio" mean?
As a noun, "cerio" means: El cerio es uno de los 14 elementos químicos que siguen al lantano en la tabla periódica, denominados por ello lantánidos. De color gris metálico similar al hierro, se torna pardo rojizo al exponer...
How do you pronounce "cerio"?
The IPA (International Phonetic Alphabet) transcription for "cerio" is [ˈseɾjo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cerio" come from?
"cerio" 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 “cerio”

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

  • The one correct Spanish spelling is C-E-R-I-O - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈseɾjo] (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 FrequencyWords open word-frequency list