Recent Examples of iridium from the Web
In 2011, researchers led by Richard Masel, a chemist and CEO of Dioxide Materials in Boca Raton, Florida, tested a setup with silver and iridium oxide catalysts and a liquid electrolyte to promote the CO2 to CO reaction.
When the Earth was forming, most iridium sank below the molten crust.
Project officials said once the iridium melts, the plutonium will be dispersed into the atmosphere.
Ni says the company is looking for cheaper options to replace iridium, a rare and expensive metal.
There is reason to believe that some asteroids are rich in valuable metals, such as platinum and iridium.
The most resilient bits will likely be the casings around its plutonium power source — the 72 marshmallow-sized pellets are encased in iridium and graphite containers designed to withstand re-entry into Earth's atmosphere or an explosion at launch.
The dangerous substance was encased in super-dense iridium as a safeguard for Cassini’s 1997 launch and has been used for electric power to run its instruments.
To make a truly large-scale impact, the company may need to find cheaper electrode catalysts than silver and iridium oxide, says Haotian Wang, a chemist at Harvard University.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iridium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of iridium
First Known Use: 1804See Words from the same year
IRIDIUM Defined for Kids
medical Definition of iridium
Seen and Heard
What made you want to look up iridium? Please tell us where you read or heard it (including the quote, if possible).