Meaning & Definition of word "Iridium"
Iridium
/ɪˈrɪdiəm/
noun:
- 1. A dense, silvery-white metallic element that is one of the rarest elements found in nature, often used in high-temperature applications and in the manufacture of electrical contacts due to its high resistance to corrosion.
- Example: Iridium is often used in spark plugs for its durability and resistance to high temperatures.
- 2. Iridium is a member of the platinum group of metals and is denoted by the symbol Ir and atomic number 77.
- Example: The iridium layer found in the geological record is associated with the extinction of the dinosaurs.
- 3. Iridium alloys are used in the production of jewelry, including rings and bracelets, for their hardness and resistance to tarnishing.
- Example: The jeweler recommended an iridium alloy for the wedding bands because of its lasting shine.
- 4. Iridium is utilized in the manufacturing of various instruments due to its high density and resistance to oxidation.
- Example: Instruments used in deep-sea mining often incorporate iridium due to its strength and resistance to harsh conditions.
Etymology
●The name iridium is derived from the Latin word 'iris', meaning rainbow, because of the various colors of its salts.
Common Phrases and Expressions
iridium plating:
A process of covering an object with a thin layer of iridium for durability.
iridium satellite:
A satellite network that provides voice and data communication across the globe.
Related Words
platinum:
A dense, malleable metal that is often used in jewelry.
palladium:
A rare, silvery-white metal used in catalytic converters.
Slang Meanings of iridium
Meaning: A high-value commodity.
● Example Sentence: Investing in iridium is hot right now; it's like the gold of the future.