annihilator

annihilate +‎ -or

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

annihilātor

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