(Chem.) A kind of alum occuring in small fragments; -- so called from Rocca, in Syria, whence alum is said to have been obtained; -- also called rock alum. [ 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 salt. [ 1913 Webster ]
n. [ F., dim. fr. OHG. rocch coat, G. rock. ] 1. (Eccl.) A linen garment resembling the surplise, but with narrower sleeves, also without sleeves, worn by bishops, and by some other ecclesiastical dignitaries, in certain religious ceremonies. [ 1913 Webster ]
They see no difference between an idler with a hat and national cockade, and an idler in a cowl or in a rochet. Burke. [ 1913 Webster ]
2. A frock or outer garment worn in the thirteenth and fourteenth centuries. [ Obs. ] Rom. of R. [ 1913 Webster ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
