false positive

false-positive

[fawls-poz-i-tiv]
noun Also, false positive.
1.
Medicine/Medical.
a.
a test result that is incorrect because the test indicated a condition or finding that does not exist: a false-positive for syphilis.
b.
a person who receives this test result.
2.
a.
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.
b.
a person or thing identified by such a test.
adjective
3.
pertaining to or being a false-positive: The test has a false-positive rate of 4%.
Compare false-negative.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
false positive
 
n
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
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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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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