subring

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English[edit]

Etymology[edit]

sub- +‎ ring

Noun[edit]

subring ‎(plural subrings)

  1. (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

Usage notes[edit]

If the larger ring contains a multiplicative identity, certain authors also require that the identity also be contained in the subring.