cadmium 129m2

/\kad.mjɔm sɑ̃.vɛ̃t.nœ.f‿ɛm.dø\/ noun

The verdict

“cadmium 129m2” 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
13
letters

Dominant Wiktionary sense: Isomère nucléaire du cadmium 129 de symbole 129m2 48Cd ; il se désexcite par transition isomérique se transformant en cadmium 129 — 129 48Cd — ; sa demi-vie est de 3,6(2) ms.

Key facts for cadmium 129m2
PropertyValue
Headwordcadmium 129m2
LanguageFrench
Part of speechNoun
IPA\kad.mjɔm sɑ̃.vɛ̃t.nœ.f‿ɛm.dø\
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cadmium 129m2” sits in French frequency

cadmium 129m2 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.

Spelling & Dictionary Insight

The French entry for cadmium 129m2 is 13 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \kad.mjɔm sɑ̃.vɛ̃t.nœ.f‿ɛm.dø\. 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: "Isomère nucléaire du cadmium 129 de symbole 129m2 48Cd ; il se désexcite par transition isomérique se transformant en cadmium 129 — 129 48Cd — ; sa demi-vie est de 3,6(2) ms.".

No misspelling variants are generated for cadmium 129m2 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 129m2, spelled C-A-D-M-I-U-M- -1-2-9-M-2, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Isomère nucléaire du cadmium 129 de symbole 129m2 48Cd ; il se désexcite par transition isomérique se transformant en cadmium 129 — 129 48Cd — ; sa demi-vie est de 3,6(2) ms.

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 129m2, 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-129m2

Frequently Asked Questions

How do you spell "cadmium 129m2"?
"cadmium 129m2" is spelled C-A-D-M-I-U-M- -1-2-9-M-2. The IPA pronunciation is \kad.mjɔm sɑ̃.vɛ̃t.nœ.f‿ɛm.dø\.
What does "cadmium 129m2" mean?
As a noun, "cadmium 129m2" means: Isomère nucléaire du cadmium 129 de symbole 129m2 48Cd ; il se désexcite par transition isomérique se transformant en cadmium 129 — 129 48Cd — ; sa demi-vie est de 3,6(2) ms.
How do you pronounce "cadmium 129m2"?
The IPA (International Phonetic Alphabet) transcription for "cadmium 129m2" is \kad.mjɔm sɑ̃.vɛ̃t.nœ.f‿ɛm.dø\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cadmium 129m2" come from?
"cadmium 129m2" is a French 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 “cadmium 129m2”

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- -1-2-9-M-2 - every other letter order is a misspelling in standard orthography.
  • Say it as \kad.mjɔm sɑ̃.vɛ̃t.nœ.f‿ɛm.dø\ (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:

Explore PlainSpell

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