P.R.

1. parliamentary report.

2. Roman people. [ < L populus Romanus]

3. press release.

4. prize ring.

5. proportional representation.

6. public relations.

7. Puerto Rico.

* * *

pr.,

an abbreviation for the following:

1. pair or pairs.

2. paper.

3. power.

4. preferred (stock).

5. present.

6. price.

7. printing.

Pr (no period),

praseodymium (chemical element).

Pr.,

1. preferred (stock).

2. Provençal.

PR (no periods),

1. proportional representation.

2. public relations: »

To hire a PR firm to manage an entire major campaign would involve an unthinkable degree of abdication for a self-respecting political leader (Harper's).

3. Puerto Rico (with postal Zip Code).

P.R.,

1. proportional representation.

2. Puerto Rico.