Recent Examples of iridium from the Web
First the outer shield, then the aluminum components and finally the parts made out of iridium will burn away, all vaporizing in perhaps a minute.
Limited Appeal The limited appeal among investors means few coin and bar dealers offer rhodium, ruthenium or iridium products.
Rhodium, iridium and ruthenium count among the precious metals that are more rare than gold, according to the U.K.’s Royal Mint.
Paleontologists tell us of five major extinctions, the last of which was brought to a head, in theory, by a mischievous asteroid that did in the dinosaurs and coated the world in a thin layer of iridium-rich sediment 66 million years ago.
Iridium provides communication services including satellite telephones through its network of satellites circling the Earth at an altitude of 485 miles.
The rock layer marking the end of the Cretaceous period was rich in iridium, a metal that is rare in Earth’s crust but more common in meteorites and asteroids.
With its standard-setting platinum-iridium meter bars and kilogram nuggets stored in safes, this institution worships accuracy.
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Origin and Etymology of iridium
First Known Use: 1804See Words from the same year
IRIDIUM Defined for Kids
Definition of iridium for Students
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