cesio

[ˈsesjo]

/[ˈsesjo]/ noun

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

The verdict

“cesio” is uncommon Spanish (frequency #75,249 among 77,812 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#75,249
frequency rank, Spanish
77,812
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Un elemento químico con número atómico 55 y peso atómico de 132.905; Su símbolo es CS, y es un miembro radioactivo de la familia de los metales alcalinos en el grupo IA de la tabla periódica.

Key facts for cesio
PropertyValue
Headwordcesio
LanguageSpanish
Part of speechNoun
IPA[ˈsesjo]
Letters5
Frequency rank#75,249
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cesio” 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). cesio 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

cesio is uncommon Spanish at frequency #75,249 among 77,812 “C” headwords, classed as anoun, transcribed [ˈsesjo]. Rarity is why readers land here mid-draft. Gloss: "Un elemento químico con número atómico 55 y peso atómico de 132.905; Su símbolo es CS, y es un miembro radioactivo de la familia de los metales alcalinos en el grupo IA de la tabla periódica.".

The misspelling generator found no plausible variants for cesio, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

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 cesio, spelled C-E-S-I-O.

Definition

  1. 1
    Un elemento químico con número atómico 55 y peso atómico de 132.905; Su símbolo es CS, y es un miembro radioactivo de la familia de los metales alcalinos en el grupo IA de la tabla periódica.

This word in other languages

caesium(English)Caesium(Deutsch)césio(Português)

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 "cesio"?
"cesio" is spelled C-E-S-I-O. The IPA pronunciation is [ˈsesjo].
What does "cesio" mean?
As a noun, "cesio" means: Un elemento químico con número atómico 55 y peso atómico de 132.905; Su símbolo es CS, y es un miembro radioactivo de la familia de los metales alcalinos en el grupo IA de la tabla periódica.
How do you pronounce "cesio"?
The IPA (International Phonetic Alphabet) transcription for "cesio" is [ˈsesjo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cesio" come from?
"cesio" is a Spanish word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “cesio”

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

  • The one correct Spanish spelling is C-E-S-I-O - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈsesjo] (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