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Glite Dictionary
Rn

Rn

1 8.9
A colorless, odorless gas that gives off radiation and can harm your health
  • noun
  • Specialized
: Rn
  • Scientists measure the levels of Rn in the soil to assess potential health hazards in residential areas.

Examples

  • The concentration of Rn in indoor air can pose serious health risks if it accumulates.

  • In Rn, it is natural for the switching boundaries to be the facets lying on the intersection of adjacent simplicial sectors.

    Academic text (2010)

  • If P is a set in Rn, riP, and ∂P denote the relative interior and the boundary of P, respectively.

    Academic text (2010)

  • In this paper, R denotes the real numbers, R+ the non-negative reals, and Rn is the vector space of n-dimensional real vectors.

    Academic text (2010)

  • Radon, denoted as Rn, is used in some smoke detectors because of its radioactive properties.

Synonyms

radon
vsRn
  • Specialized
13 8.4

A radioactive gas that can collect in buildings and cause lung cancer when breathed in

is the two-letter chemical symbol representing that radioactive noble gas

Surface Forms

Rn singular
Rns plural

Etymology

Rn is the chemical symbol for radon, and the name radon comes from radium, a metal whose name means 'ray', plus the gas ending -on, like in neon. So Rn is short for a gas first seen coming from radium, and the name helps remind us that it gives off radioactive 'rays'.