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platinum metals Line breaks: plat|inum metals

Definition of platinum metals in English:

plural noun

The six metals platinum, palladium, ruthenium, osmium, rhodium, and iridium, which have similar properties and tend to occur together in nature.
Example sentences
  • The platinum metals tend to occur together in nature and are relatively difficult to separate from each other.
  • The catalytic converter mixes these gases with air and then passes them over a catalyst made of rhodium and platinum metals.
  • Tennant was studying a new mineral that contained a number of platinum metals and discovered a black powder that other chemists had also seen, but had not analyzed.

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