subring

/ˈsʌbˌrɪŋ/
noun
  1. A smaller ring that is part of a larger ring or set of rings, often used in mathematics or jewelry.
    • In abstract algebra, a subring is a subset of a ring that is itself a ring under the same operations.
    • The jeweler designed a necklace with a central gem surrounded by a subring of smaller diamonds.
    • The keychain had a main ring and a subring for holding extra keys.
Synonyms
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