radiocolloidn.
/ˌreɪdɪəʊˈkɒlɔɪd/, U.S. /ˌreɪdioʊˈkɑlɔɪd/ Science.
A radioactive substance in colloidal form.
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radiocolloid1930
1930 Chem. Abstr. 24 1279 Recent expts. on solns. of the ‘radiocolloid’ Th C (Bi).
1956 Nature 28 Jan. 184/1 It is more likely..that the high concentration of chromate ions in the resin promotes the formation of a radio-colloid, which is then adsorbed on the resin.
1995 Sci. Total Environment 175 9 Additional size fractionation experiments were carried out to investigate the likely persistence of radiocolloids following dilution of effluents into seawater.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1930