iridium
/ɪˈɹɪd.i.əm/
ꞮɹꞮD · i · əm (3 syllables)
English
Noun Top 36,112
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Definition
A chemical element (symbol Ir) with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group.
Etymology
From international scientific vocabulary, from the New Latin.
Example Sentences
- "Iridium is extremely rare on the surface of the earth but much more common in meteorites."
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