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Related to True negative: False Negative Rate


a. Explicitly set forth; definite: wrote specific instructions. See Synonyms at explicit.
b. Clear or detailed in communicating: Be specific when telling us what you need.
a. Limited, distinctive, or unique: problems specific to small colleges.
b. Intended for, applying to, or acting on a particular thing: a specific remedy for warts.
c. Concerned particularly with the subject specified. Often used in combination: "age-specific voting patterns" (A. Dianne Schmidley).
3. Relating to, characterizing, or distinguishing a species: a specific name.
a. Designating a disease produced by a particular microorganism or condition.
b. Having a remedial influence or effect on a particular disease.
5. Immunology Having an affinity limited to a particular antibody or antigen.
a. Designating a customs charge levied on merchandise by unit or weight rather than according to value.
b. Designating a commodity rate applicable to the transportation of a single commodity between named points.
a. Something particularly fitted to a use or purpose.
b. A remedy intended for a particular ailment or disorder.
a. A distinguishing quality or attribute.
b. specifics Distinct items or details; particulars.

[Medieval Latin specificus : Latin speciēs, kind, species; see species + Latin -ficus, -fic.]

spe·cif′i·cal·ly adv.
spec′i·fic′i·ty (spĕs′ə-fĭs′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌspɛs əˈfɪs ɪ ti)

1. the quality or state of being specific.
2. Biol. the selective attachment or influence of one substance on another, as of an antibiotic on its target organism.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.specificity - the quality of being specific rather than general; "add a desirable note of specificity to the discussion"; "the specificity of the symptoms of the disease"
particularity, specialness - the quality of being particular and pertaining to a specific case or instance; "the particularity of human situations"
2.specificity - the quality of being specific to a particular organism; "host specificity of a parasite"
particularity, specialness - the quality of being particular and pertaining to a specific case or instance; "the particularity of human situations"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Results showed that overall 46.8% were true positives, 37.5% were true negatives, 7% were false positives and 8.5% were false negatives (Table-1).
Diagnostic accuracy of plasma lactate in neonatal birth asphyxia by taking pH as gold standard was calculated, where True positive were noted as 194 (80.83%), false positive 7 (2.92%), true negative 31 (12.92%) and false negative were 8 (3.33%), whereas sensitivity, specificity, positive predictive value, negative predictive value and accuracy rate were calculated as 81.58%, 96.52%, 81.58% and 93.75% respectively (table-II).
Four clinically negative samples were identified as false positives and 16 samples were true negatives by the uniplex PCR.
Outcome HGSVI LGSVI Injury NDVI OMFF False negative 2 (12.5) 0 0 8 (50.0) False positive 0 4 (66.7) 2 (33.3) 0 True negative 0 14 (43.8) 18 (56.3) 0 True positive 37 (72.5) 2 (3.9) 2 (3.9) 4 (7.8) Total 39 (37.1) 20 (19.0) 22 (21.0) 12 (11.4) Outcome Other Total False negative 6 (37.5) 16 (100) False positive 0 6 (100) True negative 0 32 (100) True positive 6 (11.8) 51 (100) Total 12 (11.4) 105 (100) HGSVI--high-grade solid visceral injuries, LGSVI--low-grade solid visceral injuries, NDVI--no detectable visceral injuries, OMFF--only mild free fluid
The line for Accuracy True Positive True Negative validation images Ratio (TPR) Ratio (TNR) 8009-1 0.945 0.794 0.959 8009-2 0.978 0.719 0.989 8009-3 0.958 0.702 0.991 8009-4 0.979 0.741 0.980 Table 2: Accuracy of the deep CNN depending on the window size of the convolutional layer.
Both KOH and culture positive were 136 (true positive), KOH-ve but culture positive were 16 (false negative), KOH+ve but culture negative were 8 (false positive), both KOH and culture negative were 40 (true negative).
While 211 patients had a positive cotinine assays ([greater than or equal to]500 ng/mL) and reported tobacco use (true positive), 202 had a negative cotinine assay and reported no tobacco use (true negative); (sensitivity: 87.2%, specificity: 89.0%).
Out of 56 cases of clinically diagnosed potentially malignant lesions, VELscope detected overall 39 cases as true positive, 4 cases as true negative, 1 case as false positive, and 12 cases as false negative with sensitivity of 76.6% and specificity of 80% with positive predictive value (PPV) as 97.5% and negative predictive value (NPV) as 25%.
Similarly, the NPV is the likelihood that a negative test result is obtained on a true negative sample.