radon

/reidɔn/

Thân thiện

Radon gas can accumulate in the basement of a house.

Definition

1. Noun:
   • A radioactive gaseous element: Radon is a naturally occurring, colorless, odorless, and tasteless radioactive gas. It is formed as a decay product of radium and is part of the uranium decay chain.
   • A health hazard: Radon is considered a significant indoor air pollutant and health risk, as prolonged exposure to high concentrations can lead to lung cancer.

Examples of Usage

• Noun:
  • Homeowners are advised to test their basements for radon.
  • Radon is the heaviest known gas in the noble gases group.
  • The primary source of radon in buildings is the surrounding soil and rock.

Advanced Usage

• "Radon mitigation": The process of reducing radon gas concentrations in the breathing zones of occupied buildings.

  • After discovering high levels, they invested in a radon mitigation system for their home.

• "Radon progeny" or "radon daughters": Refers to the short-lived decay products of radon, which are solid radioactive particles that can attach to dust and be inhaled.

  • The health risk from radon comes primarily from inhaling its radioactive progeny.

Variants and Related Words

• Radium (n): A radioactive metallic element whose decay produces radon.
• Uranium (n): The radioactive element that is the original source in the decay chain leading to radon.

Synonyms

• Rn: The chemical symbol for radon.
• Noble gas / Inert gas: The family of elements to which radon belongs, though it is radioactive unlike the others.

Related Phrases and Terms

• "Radon test kit": A device used to measure the concentration of radon in the air.

  • They used a radon test kit to check the air quality in their new apartment.

• "Radon exposure": Contact with or inhalation of radon gas.

  • Long-term radon exposure is the second leading cause of lung cancer.

Related Idioms

(There are no common idioms specifically featuring the word 'radon' due to its technical nature. It is primarily used in scientific, environmental, and public health contexts.)

Học thuật

Noun

1. 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

Từ đồng nghĩa

• Rn
• atomic number 86