Definition of iridium in English:
The chemical element of atomic number 77, a hard, dense silvery-white metal. (Symbol: Ir)
- Jewellery made of platinum, iridium and palladium gleamed majestically, now and then emitting flashes of brilliant light from the studded diamonds.
- The new electrochemical system is based on a magnesium anode, a seawater/catholyte electrolyte and an electrocatalyst of palladium and iridium catalyzed on carbon paper.
- The earth's crust is depleted in iridium and other platinum group elements, while meteorites are enriched in them.
Definition of iridium in:
- British & World English dictionary
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