palladium

FREQ #34635

n. 钯 [化] 钯Pd

发音

其它 /pəˈleɪdiəm/
US /pəˈleɪdiəm/

词形变化

palladia 复数 palladiums 复数

释义与例句

n.
  1. 1.

    A safeguard.

  2. 1.

    A chemical element (symbol Pd) with an atomic number of 46: a rare, lustrous silvery-white metal.

    钯

    可数 不可数
  3. 2.

    A single atom of this element.

    可数 不可数

词汇关系

名词

同义词 1

PD

上位词 1

metal

相关短语

palladium hydride [化] 一氢化二钯 palladium black palladium nitrate [化] 硝酸钯

词源

The sense of "safeguard" comes from Latin Palladium (the image of Pallas that protected Troy), from Ancient Greek Παλλάδιον (Palládion), from Παλλάς (Pallás), an epithet used before Athena.

来源：wiktionary