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radiobismuth
radiobismuth n. 
/ˌreɪdɪə(ʊ)ˈbɪsməθ/,
Brit. /ˌreɪdɪə(ʊ)ˈbɪzməθ/
, /ˌreɪdɪə(ʊ)ˈbɪzməθ//ˌreɪdɪə(ʊ)ˈbɪsməθ/U.S. /ˌreɪdioʊˈbɪzməθ/
†(a) = radiotellurium n. (a) (obsolete); (b) any radioactive isotope of bismuth./ˌreɪdioʊˈbɪzməθ/ΘΚΠ
the world > matter > physics > atomic nucleus > radioactive isotope > specific isotopes > [noun] > polonium
radiobismuth1903
radiotellurium1903
1903 E. Rutherford & F. Soddy in London, Edinb., & Dublin Philos. Mag. 6th Ser. 5 585 The question whether polonium (radio-bismuth) is a new element is of great interest.
1954 Analyt. Chem. 26 177/1 One of the simplest preparations of carrier-free isotopes was the production of a mixed solution of radiolead and radiobismuth.
1975 Radiation Res. 63 443 (title) Metabolic studies with radiobismuth... Retention and distribution of 206Bi in the normal rat.
1993 Cancer Res. 53 5683 We studied the capacity of the antibody–chelate complex to retain radiobismuth.
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