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Nobili's rings

Noun CEFR B2

Definitions

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.

plural, plural-only

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

nobiliary particle nobilin nobilissimus nobilitation nobilitie Nobilities

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