Meaning Of The Word Iridium

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Iridium Meaning

Iridium Definition
Iridium Definition

What's The Definition Of Iridium?

iridium in American English
a white, extremely dense, brittle, corrosion-resistant chemical element, one of the platinum metals: alloys of iridium are used in electrodes, pen points, crucibles, etc.: symbol, Ir; at. no., 77
noun: a precious metallic element resembling platinum: used in platinum alloys and for the points of gold pens; at. wt.: 192.2; at. no.: 77; sp. gr.: 22.4 at 20°C

iridium in British English
noun: a very hard inert yellowish-white transition element that is the most corrosion-resistant metal known. It occurs in platinum ores and is used as an alloy with platinum. Symbol: Ir; atomic no: 77; atomic wt: 192.22; valency: 3 or 4; relative density: 22.42

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