annihilator

noun

Pronunciation:

/ɐnˈaɪ.ə.leɪtə/

Definition:

Let M be a left modul over a ring R and let S be a subset of M. The annihilator of S is the set of all r from R such that sr is equal to zero (for all s from S).

Source:

www.spellchecker.net

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