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Yes, IRIDIUM is a Scrabble word!
Is it a valid word?
- Scrabble US: valid, 10 points.
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About IRIDIUM
IRIDIUM is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).
Definitions
noun
- a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
Synonyms
Also: atomic number 77.
Not playable in Scrabble US: IR.