annihilator

From annihilate +‎ -or.

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annihilator (plural annihilators)

1. One who annihilates.
2. (commutative algebra, of an element (or subset) of an ${\displaystyle R}$-module ${\displaystyle M}$) That ideal of ${\displaystyle R}$ whose elements yield zero when multiplied by the given element (or; by the elements of the given subset) of ${\displaystyle M}$.

• annihilator method
• family annihilator

• (Classical Latin) IPA^(key): [an.ni.(ɦ)ɪˈɫaː.tɔr]
• (modern Italianate Ecclesiastical) IPA^(key): [an.ni.kiˈlaː.t̪or]

annihilātor

1. second/third-person singular future passive imperative of annihilō