CMM

noun

The verdict

“CMM” is uncommon French (frequency #55,150 among 257,141 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#55,150
frequency rank, French
257,141
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Matériau composite à matrice métallique.

Key facts for CMM
PropertyValue
HeadwordCMM
LanguageFrench
Part of speechNoun
Letters3
Frequency rank#55,150
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “CMM” sits in French 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). CMM 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

CMM is uncommon French at frequency #55,150 among 257,141 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Matériau composite à matrice métallique.".

Our edit-distance generator produced no likely misspellings for CMM, which points to an orthography that plays by predictable French rules. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is CMM, spelled C-M-M.

Definition

  1. 1
    Matériau composite à matrice métallique.

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 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "CMM"?
"CMM" is spelled C-M-M.
What does "CMM" mean?
As a noun, "CMM" means: Matériau composite à matrice métallique.
What language does "CMM" come from?
"CMM" 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 “CMM”

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

  • The one correct French spelling is C-M-M - every other letter order is a misspelling in standard orthography.
  • Browse more French words and confusable pairs in the same reference. French words

Other uncommon French 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