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  1. R
    IPA[ɑː]
  2. abbreviation

    • 1. rand:

      a farm worth nearly R1,3 million
    • 2. (in names of sports clubs) Rangers or Rovers:

      Berwick R Featherstone R
    • 3. Réaumur (a temperature scale, now obsolete):

      198.6 °R
    • 4. Regina or Rex:

      Elizabeth R
    • 5. registered as a trademark.

    • 6. (in the US) Republican.

    • 7. (in film classification) restricted (denoting films restricted to viewers over a certain age).

    • 8. (on a gear shift) reverse.

    • 9. River (chiefly on maps).

    • 10. roentgen(s).

    • 11. Romania (international vehicle registration).

    • 12. rook (in recording moves in chess):

      21.Rh4
    • 13. (on scorecards) run(s).

    symbol

    • 1. an unspecified alkyl or other organic radical or group.

    • 2. electrical resistance.

    • 3. the gas constant.