false positive


noun Also, false positive.
a test result that is incorrect because the test indicated a condition or finding that does not exist: a false-positive for syphilis.
a person who receives this test result.
any screening test result that incorrectly detected or classified a person or thing: A false-positive at the airport could cause you to miss your flight.
a person or thing identified by such a test.
pertaining to or being a false-positive: The test has a false-positive rate of 4%.
Compare false-negative.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
false positive
1.  a result in a medical test that wrongly indicates the presence of the condition being tested for
2.  a person from whom such a result is obtained

Collins English Dictionary - Complete & Unabridged 10th Edition
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Dictionary.com's 21st Century Lexicon
Main Entry:  false positive
Part of Speech:  n, adj
Definition:  a test result that is read as positive but actually is negative, a test that shows evidence of a disease when it not present; also written false-positive
Usage:  medicine
Dictionary.com's 21st Century Lexicon
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American Heritage
Medical Dictionary

false positive n.
A positive test result in a subject that does not possess the attribute for which the test is being conducted.

false'-pos·i·tive adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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