radioactivity

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Definition/MeaningWord/Phrase
unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second Ci , curie
radioactivity, to expose to contaminate
French chemist (born in Poland) who won two Nobel prizes; one (with her husband and Henri Becquerel) for research on radioactivity and another for her discovery of radium and polonium (1867-1934) Curie , Madame Curie , Marie Curie , Marya Sklodowska
electronic equipment that detects the presence of radio signals or radioactivity detector
measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity) dosemeter , dosimeter
Italian nuclear physicist (in the United States after 1939) who worked on artificial radioactivity caused by neutron bombardment and who headed the group that in 1942 produced the first controlled nuclear reaction (1901-1954) Enrico Fermi , Fermi
United States physicist (born in Russia) who was a proponent of the big-bang theory and who did research in radioactivity and suggested the triplet code for DNA (1904-1968) Gamow , George Gamow
radioactivity duration measure half-life
(medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests) low-level radioactive waste
unit of radioactivity equal to one thousandth of a curie millicurie
measure of radioactivity radioactivity unit
equipment used to treat diseases with x-rays or radioactivity radiotherapy equipment
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