negative identification
ne·ga·ti·veidentification
noun
1.
evidence proving that you are not who you say you are not; evidence establishing that you are not among a group of people already known to the system; recognition by the system leads to rejection
- “a system for negative identification can prevent the use of multiple identities by a single person”
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Broader terms
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.