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radiostrontium
radiostrontium n. 
/ˌreɪdɪə(ʊ)ˈstrɒnʃ(ɪ)əm/, /ˌreɪdioʊˈstrɑn(t)iəm/ a radioactive isotope of strontium; spec. strontium-90, which is a product of uranium fission and decays by beta emission with a half-life of about 29 years.
Brit. /ˌreɪdɪə(ʊ)ˈstrɒntɪəm/
, /ˌreɪdɪə(ʊ)ˈstrɒntɪəm//ˌreɪdɪə(ʊ)ˈstrɒnʃ(ɪ)əm/U.S. /ˌreɪdioʊˈstrɑn(t)ʃiəm/
, /ˌreɪdioʊˈstrɑn(t)ʃiəm//ˌreɪdioʊˈstrɑn(t)iəm/ΘΚΠ
the world > matter > chemistry > elements and compounds > metals > specific elements > strontium > [noun] > compounds > other
strontian water1789
radiostrontium1940
1940 Science 22 Nov. 10/1 This radioactive yttrium..must be considered at the present time merely as a by-product of the radio-strontium preparation.
1941 Jrnl. Appl. Physics 12 456/2 Radio-strontium [sc. strontium-85] has a half-life of 55 days, can be readily prepared in relatively large amounts, and emits very energetic beta-particles.
1958 Times 12 Nov. 4/2 A further report will be published shortly by the Atomic Energy Research Establishment, Harwell, giving the 1957 figures for radiostrontium in soil, herbage, animal bone, and milk samples from the United Kingdom.
1972 Goldman & Bustad (title) Biomedical implications of radiostrontium exposure.
1995 Sci. Total Environment 172 17 Soil ingestion can be a major source of radiostrontium contamination in sheep and other free-grazing ruminants.
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