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Iridium

noun

/ɪˈɹɪdiəm/

Word Frequency: 0.3

Definitions

1.nounA chemical element (symbol Ir) with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group.

2.nounA single atom of this element.

Synonyms

ir atomic number 77 osm radioiridium iridate erbium platiniridium eka-iridium iridarsenite indium ittrium cererium

Rhymes With

idiom presidium cryptosporidium nephridium chriptosporidium

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