cadmium 121
The verdict
“cadmium 121” is outside the top-ranked French vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency French
- 11
- letters
Dominant Wiktionary sense: Isotope synthétique instable du cadmium, de symbole 121 48Cd, de nombre de masse 121, dont la demi-vie est de 13,5(3) s ; il est sujet à la désintégration β⁻ à l’issue de laquelle il se transmute e...
| Property | Value |
|---|---|
| Headword | cadmium 121 |
| Language | French |
| Part of speech | Noun |
| IPA | \kad.mjɔm sɑ̃.vɛ̃.t‿e.œ̃\ |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “cadmium 121” sits in French frequency
Spelling & Dictionary Insight
The French entry for cadmium 121 is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \kad.mjɔm sɑ̃.vɛ̃.t‿e.œ̃\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Isotope synthétique instable du cadmium, de symbole 121 48Cd, de nombre de masse 121, dont la demi-vie est de 13,5(3) s ; il est sujet à la désintégration β⁻ à l’issue de laquelle il se transmute e...".
No misspelling variants are generated for cadmium 121 in our index, suggesting the orthography follows predictable French patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. For readers arriving here from a spelling check, the authoritative guidance is: the correct French form is cadmium 121, spelled C-A-D-M-I-U-M- -1-2-1, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1Isotope synthétique instable du cadmium, de symbole 121 48Cd, de nombre de masse 121, dont la demi-vie est de 13,5(3) s ; il est sujet à la désintégration β⁻ à l’issue de laquelle il se transmute en indium 121 — 121 49In.
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.
Cite this page
Free to reuse with attribution (CC BY-SA). Copy the citation:
PlainSpell, “cadmium 121, French word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/fr/mot/cadmium-121
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Using “cadmium 121”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is C-A-D-M-I-U-M- -1-2-1 - every other letter order is a misspelling in standard orthography.
- Say it as \kad.mjɔm sɑ̃.vɛ̃.t‿e.œ̃\ (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
Nearby French words
Other entries that begin with the letter C in our French index: