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From Longman Dictionary of Contemporary English
Related topics: Measurement
becquerelbec‧que‧rel /ˌbekəˈrel/ noun [countable]  TMa unit for measuring radioactivity
Examples from the Corpus
becquerelReadings showed levels of 56,000 becquerels per kilogram in vegetation and soil samples.It had a caesium 137 concentration of only 4 becquerels per kilogram.Children with more than 60 becquerels of radioactivity per kilo of bodyweight are thought to be at risk from disease.One becquerel is equal to one radioactive decay per second.
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