Definitions for iridium

iridium i·rid·i·um

Spelling: [ih-rid-ee-uh m, ahy-rid-]
IPA: /ɪˈrɪd i əm, aɪˈrɪd-/

Iridium is a 7 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 12 points.

You can make 56 anagrams from letters in iridium (diiimru).

Definitions for iridium

noun

  1. a precious metallic element resembling platinum: used in platinum alloys and for the points of gold pens. Symbol: Ir; atomic weight: 192.2; atomic number: 77; specific gravity: 22.4 at 20°C.

Origin of iridium

1804; Latin īrid-, stem of īris rainbow (see iris) + -ium; so named from its iridescence when dissolved in hydrochloric acid

Examples for iridium

To begin with metals, uranium melts at 1150 centigrade, and tungsten at 3370 and iridium at 2350.

iridium sulphide, IrS, is obtained when the metal is ignited in sulphur vapour.

In the top of the cap is a sapphire bearing, which rests on an iridium point projecting upward from the compass bowl.

An alloy of iridium and osmium (artificial or native) has been employed for tipping the nibs of gold pens (everlasting pens).

Monoxide, IrO, prepared by adding potassium hydrate to the hexachloride of iridium, and digesting the precipitate in an acid.

Platinum is used in telegraph keys, and iridium, being very hard, for nibs in the ends of gold pens.

A metal discovered by Claus, associated with iridium, in the residue from crude platinum, which is insoluble in aqua regia.

Two years later, a Russian satellite crashed into a communications satellite owned by the company iridium.

iridium is always determined quantitatively by conversion into the metallic state.

When pure, platinum is as soft as silver, but by the addition of iridium it becomes the hardest of metals.

Word Value for iridium
Scrable

10

Words with friends

12

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