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becquerel

noun

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

Word History

Etymology

after Antoine-Henri becquerel

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of becquerel was in 1975

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