pierre de touche

\pjɛʁ də tuʃ\

/\pjɛʁ də tuʃ\/ noun

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

The verdict

“pierre de touche” 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
16
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Pierre dure utilisée pour prélever un tout petit peu de matière sur un objet métallique précieux, pour ensuite tester cette matière à l’acide afin de mesurer son titre.

Key facts for pierre de touche
PropertyValue
Headwordpierre de touche
LanguageFrench
Part of speechNoun
IPA\pjɛʁ də tuʃ\
Letters16
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “pierre de touche” sits in French frequency

pierre de touche 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 pierre de touche is 16 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \pjɛʁ də tuʃ\. 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 pierre de touche in our index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry carries no recorded etymology, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is pierre de touche, spelled P-I-E-R-R-E- -D-E- -T-O-U-C-H-E.

Definition

  1. 1
    Pierre dure utilisée pour prélever un tout petit peu de matière sur un objet métallique précieux, pour ensuite tester cette matière à l’acide afin de mesurer son titre.
  2. 2
    Élément à l’aune duquel est évaluée une conception.

This word in other languages

touchstone(English)piedra de toque(Español)Prüfstein(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 touche"?
"pierre de touche" is spelled P-I-E-R-R-E- -D-E- -T-O-U-C-H-E. The IPA pronunciation is \pjɛʁ də tuʃ\.
What does "pierre de touche" mean?
As a noun, "pierre de touche" means: Pierre dure utilisée pour prélever un tout petit peu de matière sur un objet métallique précieux, pour ensuite tester cette matière à l’acide afin de mesurer son titre.
How do you pronounce "pierre de touche"?
The IPA (International Phonetic Alphabet) transcription for "pierre de touche" is \pjɛʁ də tuʃ\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "pierre de touche" come from?
"pierre de touche" 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 touche”

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- -T-O-U-C-H-E - every other letter order is a misspelling in standard orthography.
  • Say it as \pjɛʁ də tuʃ\ (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 FrequencyWords open word-frequency list