3 syllables: Bec, que, rel. Stress on rel.
bek-kuh-REL
/bɛk.kəˈɹɛl/
Becquerel is pronounced bek-kuh-REL (/bɛk.kəˈɹɛl/). It has three syllables (Bec-que-rel), with the stress on "rel". Becquerel is a unit of radioactivity equal to one disintegration per second, named after the French physicist Henri Becquerel. As a proper noun used as a measurement term, it appears in scientific contexts and in discussions of nuclear science history. In pronunciation, it is treated as a borrowed term from French, often accented on the second syllable. The word functions as a technical term in physics and related fields.
nounBecquerel is a unit of radioactivity equal to one disintegration per second, named after the French physicist Henri Becquerel. As a proper noun used as a measurement term, it appears in scientific contexts and in discussions of nuclear science history. In pronunciation, it is treated as a borrowed term from French, often accented on the second syllable. The word functions as a technical term in physics and related fields.
"The sample is measured in becquerels to quantify radioactivity."
"She studied the decay rate and recorded it in becquerels per second."
"Becquerel is named after the pioneering physicist who first described natural radioactivity."
Pronounce it as bɪˈkɛrəl (US/UK) or bɪˈke-rəl (phonetic variant). It’s three syllables with the primary stress on the second: be-CER-el. The initial “Be” sounds like ‘bi’ in billiards, the middle ‘cer’ rhymes with ‘care’ but short, and the final ‘el’ is a light, unstressed syllable. Audio references: you can listen on Forvo or YouGlish for native-speaker examples, or search Pronounce for a guided recording. Practice by saying the sequence slowly: bi-CER-el, then scale up to natural tempo.
Common mistakes: 1) Misplacing stress, e.g., be-CER-el or Be-CER-el; 2) Slurring the middle syllable so it sounds like ‘ker’ or ‘care’ with unclear vowel quality; 3) Overpronouncing the final -el as two clear consonant sounds; correction: emphasize only a light final schwa-like /əl/ and keep the middle vowel clear but not elongated: bi-CER-el. Use slowed repetitions to stabilize the rhythm: /bɪˈkɛr.əl/.
In US and UK English, the pronunciation centers on /bɪˈkɛrəl/ with stress on the second syllable. Australian English maintains the three-syllable rhythm but may slightly reduce the vowel in the final syllable and sometimes reduce the middle vowel in fast speech; overall, rhoticity is preserved, and the /ɹ/ is pronounced in rhotic dialects. The key is keeping the middle /ɛ/ or /e/ quality distinct from the final /əl/ and not truncating the word to two syllables.
The difficulty comes from the French-derived middle syllable and the final unstressed -el. The middle vowel may be unfamiliar to non-French speakers, leading to mispronunciations like /bɪˈkju.ɹəl/ or /bɪˈkɪər.əl/. Focus on maintaining a clear /ɛ/ in the middle and a light, quick /əl/ at the end, with the stress on the second syllable. Practice by isolating each syllable: bi- /bɪ/ then -CER- /ˈkɛr/ and -el /əl/.
A distinctive feature is the three-syllable rhythm with primary stress on the second syllable, plus a final unstressed -el that behaves like a soft, light syllable rather than a strong consonant cluster. Some speakers may hollow the middle vowel to /e/ or /ɛ/. To master it, practice the sequence bi-CER-el in slow to normal tempo, ensuring the middle vowel remains clear but not overly long, and end with a clipped, barely audible -əl.
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Becquerel originates from the surname of French physicist Antoine Henri Becquerel (1852–1908). The unit was named in his honor by the International Commission on Radiological Protection and later adopted by the International System of Units (SI) as the becquerel (symbol: Bq). The French surname Becquerel itself likely derives from a toponymic or occupational root in Occitan or early French forms, with the -el ending reminiscent of diminutive or familial surnames. The concept of measuring radioactivity in disintegrations per second emerged in the late 19th and early 20th centuries, with Becquerel’s discovery of natural radioactivity catalyzing the naming of the unit. First recognized internationally in the 1940s, the becquerel formalizes the rate of radioactive decay and remains the SI base unit for activity alongside related units like the gray and the sievert. Over time, the term has become embedded in scientific literature, textbooks, and regulatory guidelines, spanning disciplines from physics and chemistry to environmental science and medicine.
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Words that rhyme with "Becquerel"
-rel sounds
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