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subring

[ suhb-ring ]
/ ˈsʌbˌrɪŋ /
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noun Mathematics.
a subset of a ring that is a subgroup under addition and that is closed under multiplication.Compare ring1 (def. 22).
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QUIZ YOURSELF ON "IS" VS. "ARE"
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?

Origin of subring

First recorded in 1950–55; sub- + ring1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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