mur du son

/\myʁ dy sɔ̃\/ noun

The verdict

“mur du son” 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
10
letters

Dominant Wiktionary sense: Seuil acoustique, atteint à la vitesse du son, correspondant à la superposition des ondes sonores.

Key facts for mur du son
PropertyValue
Headwordmur du son
LanguageFrench
Part of speechNoun
IPA\myʁ dy sɔ̃\
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “mur du son” sits in French frequency

mur du son 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 mur du son is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \myʁ dy sɔ̃\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for mur du son 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 mur du son, spelled M-U-R- -D-U- -S-O-N, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Seuil acoustique, atteint à la vitesse du son, correspondant à la superposition des ondes sonores.
  2. 2
    Passer un niveau d’inaudibilité pour arriver à se faire entendre.

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). 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, “mur du son, 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/mur-du-son

Frequently Asked Questions

How do you spell "mur du son"?
"mur du son" is spelled M-U-R- -D-U- -S-O-N. The IPA pronunciation is \myʁ dy sɔ̃\.
What does "mur du son" mean?
As a noun, "mur du son" means: Seuil acoustique, atteint à la vitesse du son, correspondant à la superposition des ondes sonores.
How do you pronounce "mur du son"?
The IPA (International Phonetic Alphabet) transcription for "mur du son" is \myʁ dy sɔ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "mur du son" come from?
"mur du son" 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 “mur du son”

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

  • The one correct French spelling is M-U-R- -D-U- -S-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as \myʁ dy sɔ̃\ (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 M 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