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Thesaurus: actinium

A supposed metal, said by Phipson to be contained in commercial zinc; -- so called because certain of its compounds are darkened by exposure to light.

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Definitions

  1. n. A supposed metal, said by Phipson to be contained in commercial zinc; -- so called because certain of its compounds are darkened by exposure to light.
  2. n. a radioactive element of the actinide series; found in uranium ores
  3. A supposed metal, said by Phipson to be contained in commercial zinc; -- so called because certain of its compounds are darkened by exposure to light.
  4. A supposed metal, said by Phipson to be contained in commercialzinc; -- so called because certain of its compounds are darkened byexposure to light.
  5. n. a radioactive element of the actinide series; found in uranium ores