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Thesaurus: protoactinium
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
Related headwords
actiniumdefinitiondisintegratingdefinitionelementdefinitionformeddefinitionleaddefinitionmetallicdefinitionradioactivedefinitionshort-liveddefinitionuraniumdefinitionProto-Indo European languagefamilyProto-InupikfamilyProto-JaponicfamilyProto-NorsefamilyProto-Norse languagefamilyproto-oncogenefamilyproto-oncogenesfamilyproto-racismfamilyproto-racistfamilyproto-Reformationfamilyprotoanthropologyfamilyprotoarchaeologyfamilyprotoarcheologyfamilyprotoavisfamilyprotocanonicalfamilyprotocatechuicfamilyprotoceratopsfamilyprotocercalfamilyprotococcusfamily
Definitions
- n. a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
- n a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead