Becquerel rays

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Related to Becquerel rays: Henri Becquerel

Becque`rel´ rays´

1.(Physics) Radiations first observed by the French physicist Henri Becquerel, in working with uranium and its compounds. They consist of a mixture of alpha, beta, and gamma rays.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.