Definitions
Dense, hard metallic element in the platinum group.
Word origin
New Latin iridium, from Classical Latin iris + -ium, from Ancient Greek ἶρις (îris, “rainbow”), because of the bright colour of many of the element's salts.
Used in a sentence
“Iridium is extremely rare on the surface of the earth but much more common in meteorites.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Dense platinum metal”7 letters
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