Bitter electromagnet

短语

词形变化

Bitter electromagnets 复数 Bitter electromagnets

释义与例句

n.
  1. 1.

    A strong electromagnet constructed from circular conducting metal plates (Bitter plates) and insulating spacers stacked in a helical configuration, rather than coils of wire.

词源

Invented in 1933 by American physicist Francis Bitter.

来源：wiktionary