Pr n 1: a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process [syn: {praseodymium}, {Pr}, {atomic number 59}] 2: a self-governing commonwealth associated with the United States occupying the island of Puerto Rico [syn: {Puerto Rico}, {Porto Rico}, {Commonwealth of Puerto Rico}, {PR}] 3: a promotion intended to create goodwill for a person or institution [syn: {public relations}, {PR}]
pr <networking> The {country code} for Puerto Rico. (1999-01-27)
PR Placement & Routing (RL, IC), "P&R"