(léi) - Radium — a radioactive metallic element (atomic number & also refers to laser or ray technology in

Tone 2

léi | 21 strokes | radical:

· léi

Radium — a radioactive metallic element (atomic number 88);

also refers to laser or ray technology in modern usage.

Radium — a radioactive metallic element (atomic numberalso refers to laser or ray technology in

Usage highlights

Radium elementLaser technologyRadium therapyRadium dialRadium needleLaser pointer

Synonyms

  • 鐳射laser (as a technology term)

Usage & contexts

Examples

  • Radium is a radioactive element discovered by Marie Curie (鐳元素).
  • Laser technology is widely used in medicine (鐳射技術).
  • The radium dial glowed in the dark (鐳錶盤).
  • Radium therapy was once used to treat cancer (鐳療法).

Collocations

  • Radium element(鐳元素)
  • Laser technology(鐳射技術)
  • Radium therapy(鐳療法)
  • Radium dial(鐳錶盤)
  • Radium needle(鐳針)
  • Laser pointer(鐳射筆)

Idioms

  • No specific idioms containing 鐳 are commonly used in classical Chinese literature

Cultural background

FAQ
  • The character was created specifically for the element radium after its discovery in 1898.
  • In modern usage, 鐳 is commonly used in the term 鐳射 (laser) derived from the English word.
  • The character reflects the practice of creating new characters for scientific discoveries using the metal radical 金.

FAQ