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.
- synonyms: praseodymium, atomic number 59
- A self-governing commonwealth associated with the United States occupying the island of Puerto Rico.
- synonyms: Puerto Rico, Porto Rico, Commonwealth of Puerto Rico
- A promotion intended to create goodwill for a person or institution.
- synonyms: public relations
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). PR. Retrieved September 20, 2026, from http://smartdefine.org/pr/definitions/1303554 |
| Chicago | WordNet. 2010. "PR" http://smartdefine.org/pr/definitions/1303554 (accessed September 20, 2026). |
| Harvard | WordNet 2010, PR, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/pr/definitions/1303554>. |
| MLA | WordNet. "PR" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/pr/definitions/1303554> |