Abbreviation of the Day June 25, 2017
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Our term of the day is: PR
This page is about the meanings of the term PR in the Internet field in general and in the Chat terminology in particular.
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What does PR mean?
- praseodymium, Pr, atomic number 59(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