subring (plural subrings)
(algebra) a ring which is contained in a larger ring, such that the multiplication and addition on the former are a restriction of those on the latter
If the larger ring contains a multiplicative identity, certain authors also require that the identity also be contained in the subring.
• ideal
• Burgins
Source: Wiktionary
23 May 2025
(adverb) showing consideration and thoughtfulness; “he had thoughtfully brought with him some food to share”
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