R2

 
Pronunciation: /ɑː(r)/

abbreviation

  • rand: a farm worth nearly R1,3 million
  • (in names of sports clubs) Rangers or Rovers: Berwick R Featherstone R
  • Réaumur (a temperature scale, now obsolete): 198.6 °R
  • Regina or Rex: Elizabeth R
  • (also ®) registered as a trademark.
  • (in the US) Republican.
  • North American (in film classification) restricted (denoting films restricted to viewers over a certain age).
  • (on a gear shift) reverse.
  • (R.) River (chiefly on maps).
  • roentgen(s).
  • Romania (international vehicle registration).
  • rook (in recording moves in chess): 21.Rh4
  • Cricket (on scorecards) run(s).

symbol

  • Chemistry an unspecified alkyl or other organic radical or group.
    [abbreviation of radical]
  • electrical resistance.
  • Chemistry the gas constant.