Rn - English meaning
ˈreɪdɒn
Rn – definitions in English dictionary
abbreviationNiger (international vehicle registration).
abbreviation(chiefly in north america) registered nurse.
abbreviation(in the uk) royal navy.
nounThe chemical element of atomic number 86, a rare radioactive gas belonging to the noble gas series.
nounA fully trained nurse with an official state certificate of competence.
The chemical element radon.
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Word origin
early 20th century: from radium, on the pattern of argon .
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