Meaning Of The Word Iridium

Real Dictionary

What's the definition of Iridium? Find Iridium meanings, definitions and more at the Real Dictionary online.

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

More Definitions

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Definitions Of The Day

  • Mentonniere ‐ noun: a piece of armour protecting the throat…
  • Predevelopment ‐ adjective: of or pertaining to the period prior…
  • Full rhyme ‐ noun; noun: rhyme between words in which the stressed…
  • Cracker Jack ‐ a confection of sweet, glazed popcorn and peanuts…
  • Orarium ‐ noun; noun: a garment worn by a deacon in the…
  • Palmiped ‐ adjective: having webbed feet; noun: a web-footed…
  • Shake the dust off one's feet ‐ to depart angrily or contemptuously; to leave…
  • Paracrostic ‐ noun: a poem in which the initial letters of each…
  • Cross-pollination ‐ the transfer of pollen from the anther of one…
  • Protohuman ‐ of or relating to the humanlike primates that…