Definition of false positive in English:

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false positive

noun

A test result which wrongly indicates that a particular condition or attribute is present: stress testing, a routine diagnostic tool used in detecting heart disease, results in a significant number of false positives in women [as modifier]: the computer-aided system may return false positive results
More example sentences
  • This solution has proven to be greatly effective and produces few false positives.
  • Experts believe the lab contracted by the DOD to conduct the tests may have triggered a "false positive" by accidentally tainting the test swab with an anthrax sample already on hand.
  • As your detection rate increased, so did your false positive rate.
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