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BNC: 0 COCA: 27757

iridium

noun
/ɪˈrɪdiəm/
/ɪˈrɪdiəm/
[uncountable]
(symbol Ir)
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  1. a chemical element. Iridium is a very hard yellow-white metal, used especially in making alloys.
    Word Originearly 19th cent.: modern Latin, from Latin iris, irid- ‘rainbow’ (it has this name because it forms compounds of various colours).
BNC: 0 COCA: 27757
BNC: 0 COCA: 27757
BNC: 0 COCA: 27757
iridium
Chemical elements:actinium, alkali metal, americium...

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