cérium

\se.ʁjɔm\

/\se.ʁjɔm\/ noun

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

The verdict

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

Unranked
below top-frequency French
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Élément chimique de numéro atomique 58 et de symbole Ce qui fait partie de la série des lanthanides et des terres rares.

Key facts for cérium
PropertyValue
Headwordcérium
LanguageFrench
Part of speechNoun
IPA\se.ʁjɔm\
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cérium” sits in French frequency

cérium falls outside the top-100,000 ranked French 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

cérium is uncommon French outside the top frequency list, classed as anoun, transcribed \se.ʁjɔm\. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for cérium, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is cérium, spelled C-É-R-I-U-M.

Definition

  1. 1
    Élément chimique de numéro atomique 58 et de symbole Ce qui fait partie de la série des lanthanides et des terres rares.
  2. 2
    Métal pur de cet élément, gris-argenté, malléable, et rapidement oxydé à l’air à température ambiante.

Synonyms

cérériumdémétrium

This word in other languages

cerium(English)cerio(Español)Cer(Deutsch)cério(Português)

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 "cérium"?
"cérium" is spelled C-É-R-I-U-M. The IPA pronunciation is \se.ʁjɔm\.
What does "cérium" mean?
As a noun, "cérium" means: Élément chimique de numéro atomique 58 et de symbole Ce qui fait partie de la série des lanthanides et des terres rares.
How do you pronounce "cérium"?
The IPA (International Phonetic Alphabet) transcription for "cérium" is \se.ʁjɔm\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cérium" come from?
"cérium" is a French 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 “cérium”

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

  • The one correct French spelling is C-É-R-I-U-M - every other letter order is a misspelling in standard orthography.
  • Say it as \se.ʁjɔm\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French 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 FrequencyWords open word-frequency list