aridium
The American Dictionary and Cyclopedia · 1910 · p. 31
[Altered from Iridium (?).] The name given by Ullgren to what he believed to be a new metal in the chrome iron ores of Roros, in Sweden. Further examination has not confirmed his opinion. (Graham: Chem., 2nd ed., vol. ii., p. 59.) IMG:content-0740.png:[graphic] * är'-ie, s. [EYRIE.]
Readham'da tam maddeyi gor →