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annihilator

[uh-nahy-uh-ley-ter] /əˈnaɪ əˌleɪ tər/
noun
1.
a person or thing that annihilates.
2.
Mathematics. the set of all linear functionals that map to zero all elements of a given subset of a vector space.
Origin of annihilator
1690-1700
1690-1700; annihilate + -or2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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