promethium

发音

其它 /pɹoʊˈmiːθiəm/
US /pɹoʊˈmiːθiəm/

别名

prometheum

释义与例句

n.
  1. 1.

    A metallic chemical element (symbol Pm) with an atomic number of 61.

    不可数

词汇关系

名词

同义词 1

上位词 1

词源

1945. From the name of the Greek god Prometheus, who stole the fire from Mount Olympus and brought it down to mankind + -ium.

来源:wiktionary