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— meaning in English

dōng

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English meaning

  • radon noun A colorless, odorless, radioactive noble gas (symbol Rn) that can build up in basements and poses a health risk.

Senses

氡 is used for these senses in English:

  • emanation (uncountable, obsolete) (physics, chemistry) The element radon (Rn)
  • radon The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.

Related Chinese words