镝 (dī) - Dysprosium — a chemical element (Dy, atomic number & also an ancient term for an arrowhead or
镝 · dī
Dysprosium — a chemical element (Dy, atomic number 66), a rare-earth metal;
also an ancient term for an arrowhead or the whistling sound of an arrow.
Dysprosium — a chemical element (Dy, atomic numberalso an ancient term for an arrowhead or
Usage highlights
Dysprosium elementArrowheadWhistling arrowDysprosium oxideDysprosium compoundDysprosium magnet
Usage & contexts
Examples
- Dysprosium is a lanthanide element (镝元素).
- The arrowhead was made of iron (箭镝).
- Neodymium magnets may contain dysprosium (钕铁硼磁铁可能含有镝).
- He heard the whistle of the arrow (鸣镝).
Collocations
- Dysprosium element(镝元素)
- Arrowhead(箭镝)
- Whistling arrow(鸣镝)
- Dysprosium oxide(氧化镝)
- Dysprosium compound(镝化合物)
- Dysprosium magnet(镝磁铁)
Idioms
- The arrow is on the string, ready to be shot(矢在弦上,不得不发)
- A whistling arrow signals the start of battle(鸣镝为号)
Cultural background
FAQ- 镝 originally referred to the metal tip of an arrow or the sound of an arrow in flight in classical texts.
- In modern usage, it is primarily a scientific term for the rare-earth element dysprosium, used in magnets and lasers.
- The character combines the 'metal' radical (钅) with the phonetic component '啇', indicating its metallic nature.