yttrium

/i'tə:bjəm/

Thân thiện

A scientist holds a small sample of yttrium in a laboratory.

Definition

1. Noun:
   • A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys: Yttrium is a chemical element with the symbol Y and atomic number 39. It is a transition metal, often classified among the rare-earth elements due to its similar chemical properties and occurrence in the same mineral ores.

Examples of Usage

• Noun:
  • Yttrium is used to produce red phosphors in color television tubes.
  • The alloy contains a small amount of yttrium to improve its strength.
  • Scientists are researching yttrium-based superconductors.

Advanced Usage

• "Yttrium-stabilized zirconia": A ceramic material where yttrium oxide is used to stabilize the crystal structure of zirconium dioxide, giving it high strength and fracture toughness.
  • Yttrium-stabilized zirconia is commonly used in dental crowns and industrial coatings.

Variants and Related Words

• Yttria (n): The oxide of yttrium (Y₂O₃), a white solid used in ceramics and phosphors.
  • Yttria is an important compound for making laser crystals.
• Yttric (adj): Relating to or containing yttrium.
  • The yttric component of the mineral was analyzed.

Synonyms

• Element Y: Referring to yttrium by its chemical symbol.
• Metallic element: A broader category to which yttrium belongs.

Related Phrases

• Rare-earth element: The group of elements, including yttrium, with similar chemical properties.
  • Yttrium is often found alongside other rare-earth elements in mineral deposits.

Học thuật

Noun

1. a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

Từ đồng nghĩa

• Y
• atomic number 39