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subring

American

[suhb-ring] / ˈsʌbˌrɪŋ /

noun

Mathematics.

a subset of a ring that is a subgroup under addition and that is closed under multiplication.

First recorded in 1950–55; sub- + ring ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023