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View synonyms for

Rn

1
Symbol, Chemistry.
  1. radon.

R.N.

2

abbreviation for

  2. British. Royal Navy.

Rn

1

the chemical symbol for

  1. radon
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

RN

2

abbreviation for

  1. (in Canada) Registered Nurse
  2. Royal Navy
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

symbol for

  1. Niger (international car registration)
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of Rn1

(sense 3) From R(epublic of) N(iger)
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Example Sentences

Examples have not been reviewed.

Take any two convenient points P, R, on each side of the semicircle, and 204 raise verticals Pm, Rn to AB, and on these verticals form the scales.

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