IRIDIUM
\ɪɹˈɪdi͡əm], \ɪɹˈɪdiəm], \ɪ_ɹ_ˈɪ_d_iə_m]\
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a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
By Princeton University
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a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
By DataStellar Co., Ltd
By DataStellar Co., Ltd
By James Champlin Fernald
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A metallic element, very resistant to chemical reagents. Often fused with platinum, to make the latter more resistant for chemical apparatus. The soluble salts of iridium are actively purgative and emetic. Symbol, Ir; atomic weight, 192.7. [Gr.]
By Smith Ely Jelliffe
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