Iridium
Nuttall Encyclopedia · 1907 · p. 25
a metallic elementary body of rare occurrence, and found in the ores of platinum.
Bu kavram başka kaynaklarda da geçiyor
A Dictionary of Scientific Terms (1927)
French-English Dictionary of Military Terms (1918)
French-English and English-French Commercial Dictionary (1918)
Chamber's Twientieth Century Dictionary (1908)
Chandler's Encyclopedia (1898)
An Illustrated Encyclopedic Medical Dictionary (1893)
Dictionary of Science, Literature and Art (1842)
A Dictionary of Arts, Manufactures and Mines (1840)
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