Becquerel

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becquerel(Bq) The SI unit of radioactivity, being the activity of a nuclide that decays with an average of one spontaneous transition per second. The unit is named after the French physicist Antoine Henri Becquerel (1852–1908).

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becquerel Symbol Bq. The SI unit of activity (see radiation units). The unit is named after the discoverer of radioactivity, A. H. Becquerel (1852–1908).

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becquerel (bek-er-el) n. the SI unit of activity of a radioactive source, being the activity of a radionuclide decaying at a rate of one spontaneous nuclear transition per second. It has replaced the curie. Symbol: Bq.