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sub ring

 - 1 dictionary result

sub⋅ring

[suhb-ring]
–noun Mathematics.
a subset of a ring that is a subgroup under addition and that is closed under multiplication. Compare ring 1 (def. 22).

Origin:
1950–55; sub- + ring 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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