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1 definition found
 for Rochelle
From The Collaborative International Dictionary of English v.0.48 :

  Rochelle \Ro*chelle"\, n.
     A seaport town in France.
     [1913 Webster]
     Rochelle powders. Same as Seidlitz powders.
     Rochelle salt (Chem.), the double tartrate of sodium and
        potassium, a white crystalline substance. It has a
        cooling, saline, slightly bitter taste and is employed as
        a mild purgative. It was discovered by Seignette, an
        apothecary of Rochelle, and is called also Seignete's
        [1913 Webster]

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