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teleradium
teleradium n.
Brit. 
/ˌtɛlᵻˈreɪdɪəm/
, /ˌtɛlᵻˈreɪdɪəm/U.S. /ˌtɛləˈreɪdiəm/
now historical and rare radium used for teletherapy; (also) teletherapy using radium./ˌtɛləˈreɪdiəm/ΘΚΠ
the world > health and disease > healing > medical treatment > treatment by radiation > [noun] > source
radium plaque1919
seed1924
radon seed1925
radium bomb1929
bomb1930
teleradium1930
telecobalt1948
sealed source1962
the world > matter > chemistry > elements and compounds > metals > specific elements > radium > [noun] > used as a radiation source in teletherapy
teleradium1930
1930 Brit. Jrnl. Radiol. 3 206 After the operation the nearest glandular regions are irradiated with hard-filtered Röntgen rays.., or still better, with teleradium.
1959 R. W. Raven Cancer V. 157 Usually a single teleradium or telecobalt field is applied to the undersurface of the chin beneath the tumour.
2012 P. R. Almond Cobalt Blues vi. 39 It would be sometime [sic] before a cost-effective and reliable treatment unit to replace tele-radium could be designed and built.
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