iridium

1. A very hard and brittle, exceptionally corrosion-resistant, whitish-yellow metallic element occurring in platinum ores and used principally to harden platinum and in high-temperature materials, electrical contacts, and wear-resistant bearings. Atomic number 77; atomic weight 192.2; melting point 2,410°C; boiling point 4,130°C; specific gravity 22.42 (at 17°C); valence 3, 4. See Table at element.

2. A rare silver-white hard brittle very heavy metallic element .

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Top Words by points	Points	Word Game
iridium	10	Scrabble

2 Letters	Scrabble® Points
um	4
id	3
mi	4
mu	4

3 Letters	Scrabble® Points
mir	5
urd	4
rum	5
rim	5
rid	4
mud	6
dim	6
mid	6
dum	6
dui	4

4 Letters	Scrabble® Points
midi	7
miri	6
irid	5
imid	7
drum	7

5 Letters	Scrabble® Points
mirid	8
murid	8

7 Letters	Scrabble® Points
iridium	10