erbium
/'ə:biəm/
Definition
- Noun:
- A trivalent metallic element of the rare earth group: Erbium is a chemical element (symbol Er) belonging to the lanthanide series on the periodic table. It is a soft, malleable, silvery-white metal.
- Occurs with yttrium: In nature, erbium is not found as a free element but is typically found in mineral ores that also contain yttrium and other rare-earth elements.
Usage Examples
- Noun:
- Erbium is used in some optical amplifiers.
- The scientist isolated a sample of erbium from the mineral gadolinite.
- The laser's active medium was a crystal doped with erbium ions.
Advanced Usage
- "Erbium-doped": A common technical term describing a material (like glass or a crystal) that has had erbium ions added to it to alter its optical properties.
- Erbium-doped fiber amplifiers are crucial for long-distance fiber-optic communication.
Variants and Related Words
- Erbia (n): An archaic name for erbium oxide (Er₂O₃).
- Erbium oxide (n): A compound of erbium and oxygen, often a pink powder used in ceramics and glass coloring.
Synonyms
- Element 68: Referring to its atomic number.
- Er: Its chemical symbol.
Related Phrases
- Rare-earth element: The category to which erbium belongs.
- Lanthanide series: The specific group of rare-earth elements that includes erbium.
Noun
-
a trivalent metallic element of the rare earth group; occurs with yttrium
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