pierre de lune

\pjɛʁ də lyn\

/\pjɛʁ də lyn\/ noun

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

The verdict

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

Unranked
below top-frequency French
14
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Variété d’adulaire ayant des reflets argentés ou bleuâtres, causés par le phénomène optique d’adularescence.

Key facts for pierre de lune
PropertyValue
Headwordpierre de lune
LanguageFrench
Part of speechNoun
IPA\pjɛʁ də lyn\
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “pierre de lune” sits in French frequency

pierre de lune 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

pierre de lune is uncommon French outside the top frequency list, classed as anoun, transcribed \pjɛʁ də lyn\. Rarity is why readers land here mid-draft. Gloss: "Variété d’adulaire ayant des reflets argentés ou bleuâtres, causés par le phénomène optique d’adularescence.".

No misspelling variants are generated for pierre de lune in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is pierre de lune, spelled P-I-E-R-R-E- -D-E- -L-U-N-E.

Definition

  1. 1
    Variété d’adulaire ayant des reflets argentés ou bleuâtres, causés par le phénomène optique d’adularescence.

Synonyms

hécatoliteœil-de-poissonpierre lunaire

This word in other languages

moonstone(English)piedra de luna(Español)Mondstein(Deutsch)

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 "pierre de lune"?
"pierre de lune" is spelled P-I-E-R-R-E- -D-E- -L-U-N-E. The IPA pronunciation is \pjɛʁ də lyn\.
What does "pierre de lune" mean?
As a noun, "pierre de lune" means: Variété d’adulaire ayant des reflets argentés ou bleuâtres, causés par le phénomène optique d’adularescence.
How do you pronounce "pierre de lune"?
The IPA (International Phonetic Alphabet) transcription for "pierre de lune" is \pjɛʁ də lyn\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "pierre de lune" come from?
"pierre de lune" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “pierre de lune”

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

  • The one correct French spelling is P-I-E-R-R-E- -D-E- -L-U-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as \pjɛʁ də lyn\ (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