Nobili's rings

Webster's Dictionary of the English Language

·add. ·- 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.

Related Words

nobilis
nōbĭlis, e (old collat. form gnōbĭlis: nobilem antiqui pro noto ponebant, et quidem per g litteram, ...

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nobilis
nōbilis e, adj.with comp.and sup.GNA-, that is known, well-known, famous, noted, celebrated, renow...

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Dictionary of Australasian Words Phrases and Usages by Edward E. Morris