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Lanthanide Meaning: Definition, Examples, and Translations

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lanthanide

[หˆlanฮธษ™naษชd ]

Definition

Context #1 | Noun

chemical elements

Lanthanides are a series of 15 chemical elements in the periodic table with atomic numbers from 57 to 71, from lanthanum through to lutetium. They are f-block elements, typically characterized by similar properties, including high magnetic susceptibility and high atomic and ionic sizes. These elements are known for their role in various applications such as catalysts and phosphors.

Synonyms

f-block elements, rare earth elements.

Examples of usage

  • The lanthanides are used in the manufacturing of strong permanent magnets.
  • Lanthanides have important applications in the field of nuclear science.
  • Many lanthanides are utilized in the electronics industry for their luminescent properties.

Translations

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Interesting Facts

Science

  • These elements include elements from lanthanum (La) to lutetium (Lu), numbers 57 to 71 on the periodic table.
  • Lanthanides typically exhibit similar chemical properties, making them crucial in materials science for creating alloys.
  • They are also known for their high magnetic susceptibility, which is useful in making powerful magnets found in technologies like electric cars.

Technology

  • Lanthanides are critical in the production of phosphors, which are substances that emit light and are commonly used in LED lights and screens.
  • Rare earth elements, including lanthanides, play a key role in the manufacturing of batteries for electric vehicles.
  • The elements are also used in catalysts that help enhance fuel efficiency in automobiles.

Cultural Impact

  • The use of lanthanides has significantly advanced modern electronics, often referred to as 'rare earth' materials in media discussions.
  • Some of the most powerful magnets in the world, made from lanthanides, have impacted various industries, from healthcare to transportation.
  • The discovery and use of these elements have sparked interest in sustainable practices and recycling efforts of technology.

Environmental Concerns

  • Mining these elements can lead to environmental damage, often requiring careful management to minimize ecological harm.
  • As demand for technology increases, the sustainability of lanthanide sources has come into focus, driving research into recycling these materials.
  • The geopolitical significance of lanthanide supplies has grown, leading to discussions about renewable resources and supply chain security.

Origin of 'lanthanide'

Main points about word origin

  • The term 'lanthanide' comes from 'lanthanum', the first element in the series, which means 'to be hidden' in Greek, symbolizing these elements were not discovered until later.
  • Lanthanides were first isolated in the early 1800s and gained attention for their unique properties.
  • The sequence of elements is often referred to as a 'f-block' in the periodic table, which distinguishes them from other elements.

The term 'lanthanide' comes from the name of the element lanthanum, which was discovered in 1824 by Swedish chemist Anders Gustav Ekeberg. The Greek word 'lanthano' means 'to lie hidden', referencing the difficulty of isolating these elements due to their similarity in properties. The lanthanides were recognized as a distinct group of elements in the mid-20th century as researchers advanced in understanding their unique characteristics and potential applications. This group has since been key in the development of various modern technologies, including electronics, renewable energy resources, and advanced materials, solidifying their importance in both scientific and industrial contexts.

Word Frequency Rank

At rank #29,126, this word represents specialized academic or technical vocabulary. It's less frequently encountered but may be valuable in specific contexts.