r

 
Pronunciation: /ɑː/

abbreviation

  • recto.
  • (giving position or direction) right: l to r: Evan, Nic, and David
  • Law rule: under r 7.4 (6) the court may hear an application immediately

symbol

  • radius: 2πr
  • Statistics correlation coefficient: sigmoidoscopic and symptom scores also showed a significant correlation with each other (r = 0.91)