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Dictionary

Words, grammatical forms and meanings linked to the ontology.

Nobili's rings en · NOUN

Etymology

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

Meanings

  1. (plural, plural-only) 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.