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1. Oxford American Dictionary

   false negative

   • n.
     a test result which incorrectly indicates that a particular condition or attribute is absent

   • noun: false negative, plural noun: false negatives

2. • 釋義

   n.

   名詞

   • 1. a test result which incorrectly indicates that a particular condition or attribute is absent it's possible to have a false negative—the test says you aren't pregnant when you are introducing a known quantity of cyanide into the sample may prevent false negative results