pr

Noun
  1. A soft yellowish-white trivalent metallic element of the rare earth group;
    Can be recovered from bastnasite or monazite by an ion-exchange process (synset 114675391)
    is a type of: metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    substance meronym:
    • bastnaesite, bastnasite - a yellow-to-brown mineral that is a source of rare earth elements
    • monazite - a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
    same as: atomic number 59, praseodymium
  2. A self-governing commonwealth associated with the United States occupying the island of Puerto Rico (synset 108770807)
    is an instance of: commonwealth - the official name of some states in the United States (Massachusetts and Pennsylvania and Virginia and Kentucky) and associated territories (Puerto Rico)
    has:
    • porto rico, puerto rico - the smallest and easternmost of the Greater Antilles in the Caribbean
    • san juan - the capital and largest city of Puerto Rico
    • culebra - a small island off the coast of Puerto Rico with miles of beautiful beaches
    • vieques - a small island off the coast of Puerto Rico used for target practice by the United States Navy
    is a part of:
    same as: commonwealth of puerto rico, porto rico, puerto rico
  3. A promotion intended to create goodwill for a person or institution (synset 107262593)
    is a type of: packaging, promo, promotion, promotional material, publicity - a message issued in behalf of some product or cause or idea or person or institution
    same as: public relations

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