Definition of 'Pr'

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Definitions of 'Pr'

1. (noun) praseodymium, Pr, atomic number 59
a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process

2. (noun) Puerto Rico, Porto Rico, Commonwealth of Puerto Rico, PR
a self-governing commonwealth associated with the United States occupying the island of Puerto Rico

3. (noun) public relations, PR
a promotion intended to create goodwill for a person or institution

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'Pr' - Nearby Entries
prewpub prexy prey pr priacanthidae priacanthus arenatus priacanthus

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