No"bi*li's rings (?). [After Leopoldo Nobili, an Italian physicist who first described them in 1826.] (Physics)

Colored 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.

 

© Webster 1913

Log in or registerto write something here or to contact authors.