Found 1 items, similar to Pr.
English → English (WordNet) Definition: Pr 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, 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] 3: a promotion intended to create goodwill for a person or institution [syn: public relations]