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  Word: Pearlstone

  ID	Word	Wordtype	Definition
  111088	Pearlstone	n.	A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.

  
  

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  Major | Praecipe | Dislimn | Under | Moral |