sequanium

释义与例句

n.
  1. 1.

    An early name for the element neptunium, based on a discredited claim of discovery.

    废旧 不可数

词源

Learned borrowing from Latin Sequana (“the river Seine”) + -ium. Horia Hulubei, who thought he had discovered element 93, worked near the river at that time.

来源：wiktionary