becquerel

noun
bec·​que·​rel | \ (ˌ)be-ˈkrel How to pronounce becquerel (audio) , ˌbe-kə-ˈrel, ˈbe-kə-rel \
plural becquerels

Definition of becquerel

: a unit of radioactivity of a given sample of material equal to one atomic decay (see decay entry 2 sense 5b) per second The resulting trench is still contaminated with about 100 becquerels of radioactivity per gram of soil, much higher than normal.— Rob Edwards — compare curie sense 2 abbreviation Bq

First Known Use of becquerel

1975, in the meaning defined above

History and Etymology for becquerel

after Antoine-Henri becquerel

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The first known use of becquerel was in 1975

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Cite this Entry

“Becquerel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/becquerel. Accessed 5 Oct. 2022.

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Becquerel biographical name

Bec·​que·​rel | \ be-ˈkrel How to pronounce Becquerel (audio) , ˌbe-kə-ˈrel \

Definition of Becquerel

family of French physicists including: Antoine-César 1788–1878; his son Alexandre-Edmond 1820–1891; the latter's son Antoine-Henri 1852–1908

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