becquerel

\bɛ.kʁɛl\

/\bɛ.kʁɛl\/ noun

The verdict

“becquerel” is uncommon French (frequency #73,756 among 4,251 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#73,756
frequency rank, French
4,251
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unité de mesure d’activité des radionucléides du Système international, égale à une désintégration par seconde, et dont le symbole est Bq.

Corpus desk

Index FR-becquerel · becquerel · French

becquerel · rank #73,756 · 0 variants · 0 confusables

  • FREQ-RARE #73,756
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,251
  • PHOTO-FINISH Baur

Nearest frequency peer: Baur (-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 « becquerel »

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 « becquerel » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for becquerel
PropertyValue
Headwordbecquerel
LanguageFrench
Part of speechNoun
IPA\bɛ.kʁɛl\
Letters9
Frequency rank#73,756
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « becquerel » en français

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.becquereltombe 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: « Baur » (#73,755), « beira » (#73,757), « Baudot » (#73,754). Parmi 4,251 lemmes en « B », « becquerel » est au #73,756. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

becquerel is uncommon French at frequency #73,756 among 4,251 “B” headwords, classed as anoun, transcribed \bɛ.kʁɛl\. Rarity is why readers land here mid-draft. Gloss: "Unité de mesure d’activité des radionucléides du Système international, égale à une désintégration par seconde, et dont le symbole est Bq.".

becquerel has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is becquerel, spelled B-E-C-Q-U-E-R-E-L.

Definition

  1. 1
    Unité de mesure d’activité des radionucléides du Système international, égale à une désintégration par seconde, et dont le symbole est Bq.

Recorded use

Wiktionary examples

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

  1. Le SCPRI s’obstine à compter en curies, unité remplacée aujourd'hui par le becquerel (1 becquerel = 27 picocuries).
  2. En effet, 17 % des maisons testées dépassent la norme canadienne, qui est de 200 becquerels par mètre cube.

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 "becquerel"?
"becquerel" is spelled B-E-C-Q-U-E-R-E-L. The IPA pronunciation is \bɛ.kʁɛl\.
What does "becquerel" mean?
As a noun, "becquerel" means: Unité de mesure d’activité des radionucléides du Système international, égale à une désintégration par seconde, et dont le symbole est Bq.
How do you pronounce "becquerel"?
The IPA (International Phonetic Alphabet) transcription for "becquerel" is \bɛ.kʁɛl\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "becquerel" come from?
"becquerel" 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 "becquerel", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list