- (written as Pr)Within the YPbPr color model, one of the two color-difference signals. The other is Pb (3).
- chemical symbol forpraseodymium (written as Pr)
Information & Library Science
Cars & Driving
- acronym forply rating (written as PR)
- noun an index of load-carrying capacity, giving the maximum permitted load for a tyre.
- acronym forPuerto Rican (written as PR)