pr
noun()
a self-governing commonwealth associated with the United States occupying the island of Puerto Rico
Synonyms: commonwealth of puerto rico, porto rico, puerto rico,
pr
noun()
a promotion intended to create goodwill for a person or institution
Synonyms: public relations,
pr
noun()
a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process