| NOUN | substance | atomic number 59, praseodymium, Pr | a soft yellowish-white trivalent metallic element of the rare earth group |
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| Meaning | A soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process. | |
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| Synonyms | praseodymium, Pr | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Substance of | bastnasite, bastnaesite | A yellow-to-brown mineral that is a source of rare earth elements |
| monazite | A reddish-brown mineral containing rare earth metals | |
| Spanish | número atómico 59, praseodimio, Pr | |
| Catalan | número atòmic 59, praseodimi, Pr | |
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