Nobili's rings

短语

词形变化

only 复数

释义与例句

n.
  1. 1.

    Coloured rings formed upon a metal plate by the electrolytic disposition of copper, lead peroxide, etc. They may be produced by touching with a pointed zinc rod a silver plate on which is a solution of copper sulphate.

    仅复数

词源

After Leopoldo Nobili, the Italian physicist who first described them in 1826.

来源：wiktionary