Thallium Meaning: Definition, Examples, and Translations

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thallium

[ˈθæliəm ]

Definition

Context #1 | Noun

chemical element

Thallium is a soft, malleable, blue-grey metal that is a member of group 13 in the periodic table. It is known for its high density and low melting point. Thallium has applications in electronics and optics, but it is also highly toxic and can be harmful to humans.

Synonyms

Tl, thallicum.

Examples of usage

  • Thallium is used in some types of infrared detectors.
  • The toxicity of thallium makes it a subject of environmental concern.
  • Thallium can be used for producing special glass.

Translations

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Interesting Facts

Uses in Technology

  • This element is used in making special infrared detectors, helping devices see heat signatures.
  • In electronics, thallium is employed in low-melting-point glass and certain types of semiconductors, aiding in telecommunication technologies.

Health and Medicine

  • Thallium salts were once used in medicine, particularly in treating ringworm infections, although they are less common now due to toxicity.
  • It is currently being investigated for targeted cancer therapies, showcasing its potential benefits despite risks.

Environmental Impact

  • Thallium contamination has been identified as a concern, primarily due to its use in industry and mining, affecting local ecosystems.
  • The metal is highly toxic, and exposure can lead to serious health issues, prompting regulations in many countries to limit its use.

Historical Significance

  • In the late 19th century, this element gained attention for its unique properties, contributing to advancements in chemistry and material science.
  • Thallium's introduction into scientific study helped pave the way for the understanding of toxic metals in the environment and their effects on health.

Origin of 'thallium'

Main points about word origin

  • The name comes from the Greek word 'thallos,' meaning 'green shoot' or 'twig,' reflecting the bright green spectral line it produces.
  • Discovered in 1861 by Sir William Crookes, it was named for its distinctive green line in the spectrum, reminiscent of new plant growth.

The name thallium comes from the Greek word 'thallos', meaning 'green shoot' or 'twig'. This reference is due to the bright green spectral line emitted by the element when it is vaporized. Thallium was discovered in 1861 by English chemist William Crookes during his work on the properties of the newly developed spectroscope. Crookes first identified thallium as part of a method to isolate the element from other substances. The element was originally used in various industrial applications, but its high toxicity led to its limited use in certain products over time, especially in consumer goods. As understanding of its health risks grew, there was a shift towards finding safer alternatives.


Word Frequency Rank

Positioned at #22,047, this word is part of extensive vocabulary. It's relatively rare in general usage but may be important in specific fields or formal writing.