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English to English noun
| 1 |
an advocate of nullification; someone who believes that a state can resist federal laws |  | source: wordnet30
| 2 |
an official who can invalidate or nullify |  | Example: my bank check was voided and I wanted to know who the invalidator was
source: wordnet30
| 3 |
One who nullifies or makes void; one who maintains the right to nullify a contract by one of the parties. |  | source: webster1913
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