Reference meaning
Pr
Last updated
a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
Related source terms
praseodymiumatomic number 59
Other meanings
2. noun
a self-governing commonwealth associated with the United States occupying the island of Puerto Rico
3. noun
a promotion intended to create goodwill for a person or institution
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 14651212-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.