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Search Result:atomic number 86

atomic number 86   (TTS Sound)

Overview of noun atomic_number_86

The noun atomic number 86 has 1 sense

  • radon, Rn, atomic number 86 -- (a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health)