Pyrex

\pi.ʁɛks\

/\pi.ʁɛks\/ noun

The verdict

“Pyrex” is uncommon French (frequency #87,057 among 6,826 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#87,057
frequency rank, French
6,826
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Verre très résistant, notamment à la chaleur car son coefficient de dilatation thermique est très faible.

Corpus desk

Index FR-pyrex · Pyrex · French

Pyrex · rank #87,057 · 0 variants · 0 confusables

  • FREQ-RARE #87,057
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,826
  • PHOTO-FINISH pully

Nearest frequency peer: pully (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rangs de longue queue près de « Pyrex »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « Pyrex » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Pyrex
PropertyValue
HeadwordPyrex
LanguageFrench
Part of speechNoun
IPA\pi.ʁɛks\
Letters5
Frequency rank#87,057
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « Pyrex » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).Pyrextombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Voisins rares de la même bande: « pully » (#87,056), « pépiniéristes » (#87,058), « périnatale » (#87,059). Parmi 6,826 lemmes en « P », « Pyrex » est au #87,057. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Pyrex is uncommon French at frequency #87,057 among 6,826 “P” headwords, classed as anoun, transcribed \pi.ʁɛks\. Rarity is why readers land here mid-draft. Gloss: "Verre très résistant, notamment à la chaleur car son coefficient de dilatation thermique est très faible.".

No generated misspelling entries exist for Pyrex in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No documented word history exists for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is Pyrex, spelled P-Y-R-E-X.

Definition

  1. 1
    Verre très résistant, notamment à la chaleur car son coefficient de dilatation thermique est très faible.

Recorded use

Wiktionary example

These source excerpts show how Pyrex appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Le vin était servi dans des verres en Pyrex.

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 "Pyrex"?
"Pyrex" is spelled P-Y-R-E-X. The IPA pronunciation is \pi.ʁɛks\.
What does "Pyrex" mean?
As a noun, "Pyrex" means: Verre très résistant, notamment à la chaleur car son coefficient de dilatation thermique est très faible.
How do you pronounce "Pyrex"?
The IPA (International Phonetic Alphabet) transcription for "Pyrex" is \pi.ʁɛks\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Pyrex" come from?
"Pyrex" 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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "Pyrex", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 5 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list