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 (nō-sŏl′ə-jē, -zŏl′-)
n. pl. no·sol·o·gies
1. The branch of medicine that deals with the classification of diseases.
2. A classification of diseases.

no′so·log′i·cal (-sə-lŏj′ĭ-kəl), no′so·log′ic (-ĭk) adj.
no′so·log′i·cal·ly adv.
no·sol′o·gist n.


(Medicine) the branch of medicine concerned with the classification of diseases
nosological, nosologic adj
ˌnosoˈlogically adv
noˈsologist n


(noʊˈsɒl ə dʒi)

1. the branch of medicine dealing with the systematic classification of diseases.
2. a list or classification of diseases.
[1715–25; < New Latin nosologia. See noso-, -logy]
nos•o•log•i•cal (ˌnɒs əˈlɒdʒ ɪ kəl) adj.
no•sol′o•gist, n.


the branch of medical science that classifies diseases. Also nosonomy. — nosologist, n. — nosologic, nosological, adj.
See also: Disease and Illness


The branch of medicine that deals with the classification of diseases.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nosology - the branch of medical science dealing with the classification of disease
medical specialty, medicine - the branches of medical science that deal with nonsurgical techniques
References in periodicals archive ?
Epidermotropic MZL represents a distinctive nosologic B-cell lymphoma that should be considered a diagnostic possibility in older men who present with an unexplained papulosquamous eruption resembling pityriasis rosea," the researchers wrote.
The etiology of this entity is unknown, and its exact nosologic classification is still controversial.
Review article: Nosologic review that synthesizes, analyzes, and updates a medical theme, including the scientific evidence.
Histologically distinct neuroepithelial tumors with histone 3 G34 mutation are molecularly similar and comprise a single nosologic entity.
The distal arthrogryposes: Delineation of new entities - review and nosologic discussion.
Nosologic Definition of a Notifiable Disease or a Poisoning and a Significant Exposure: Lead, Institut National de Sante Publique de Quebec, 1998.
Nosologic entity (bipolar depressive disorder, major depressive episode, recurrent depression)
An etiologic and nosologic overview of craniosynosrtosis syndromes.
Practitioners sometimes think polarity is the fundamental distinction when they conceptualize depression as a clinical entity; in fact, many nosologic frameworks have been described for defining and subtyping clinically meaningful forms of depression, and each waxed and waned in popularity.
Consist in the examination of the clinical and social peculiarities of people directed at FPE in different branches of the service and the quota analysis of the expertise in accordance with all FPE types depending on the nosologic structure, the complexity of the examination and the formation of "patterns of expertise patients".
The issue of the nomenclature and nosologic classification of the lesion is also not yet settled.