becquerel

\bɛ.kʁɛl\

/\bɛ.kʁɛl\/ noun

The verdict

“becquerel” is uncommon French (frequency #73,756 among 227,490 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#73,756
frequency rank, French
227,490
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Unité de mesure d’activité des radionucléides du Système international, égale à une désintégration par seconde, et dont le symbole est Bq.

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)

Where “becquerel” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). becquerel lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

becquerel is uncommon French at frequency #73,756 among 227,490 “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.

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.

Using “becquerel”

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

  • The one correct French spelling is B-E-C-Q-U-E-R-E-L - every other letter order is a misspelling in standard orthography.
  • Say it as \bɛ.kʁɛl\ (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

Other uncommon French words near this rank

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