noun. a promotion intended to create goodwill for a person or institution.
- promotional material
noun. a self-governing commonwealth associated with the United States occupying the island of Puerto Rico.
- San Juan
- Porto Rico
- Greater Antilles
- Commonwealth of Puerto Rico
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.
- metallic element