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pyrrhosiderite
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pyrrhosiderite
pyrrhosiderite Min. (-saɪˈdɪəraɪt, -ˈsɪdəraɪt) Also (erron.) pyrosiderite. [ad. Ger. pyrrhosiderit (Ullmann a 1813), f. Gr. πυρρός reddish + σίδηρος iron + -ite1.] A synonym of goethite.1830 J. H. Brooke in Encycl. Metrop. (1845) VI. 495/1 Goethite; Pyrosiderite; Iron Froth. 1836 T. Thomson Min., Ge...
Oxford English Dictionary
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pyro-
pyro- (paɪərəʊ, pɪrəʊ) before a vowel or h sometimes pyr- (but more freq. pyro-), repr. Gr. πυρο-, combining form of πῦρ fire, forming the first element in many terms belonging to various arts and sciences. (The second element is properly of Greek, but sometimes of Latin or English origin.) 1. In va...
Oxford English Dictionary
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