diagnose

[dahy-uhg-nohs, -nohz, dahy-uhg-nohs, -nohz]
verb (used with object), diagnosed, diagnosing.
1.
to determine the identity of (a disease, illness, etc.) by a medical examination: The doctor diagnosed the illness as influenza.
2.
to ascertain the cause or nature of (a disorder, malfunction, problem, etc.) from the symptoms: The mechanic diagnosed the trouble that caused the engine knock.
3.
to classify or determine on the basis of scientific examination.
verb (used without object), diagnosed, diagnosing.
4.
to make a diagnosis.

Origin:
1860–65; back formation from diagnosis

diagnosable, adjective
underdiagnose, verb (used with object), underdiagnosed, underdiagnosing.
undiagnosable, adjective
undiagnosed, adjective
well-diagnosed, adjective
Dictionary.com Unabridged

diagnosis

[dahy-uhg-noh-sis]
noun, plural diagnoses [dahy-uhg-noh-seez] .
1.
Medicine/Medical.
a.
the process of determining by examination the nature and circumstances of a diseased condition.
b.
the decision reached from such an examination. Abbreviation: Dx
2.
Biology. scientific determination; a description that classifies a group or taxon precisely.
3.
a determining or analysis of the cause or nature of a problem or situation.
4.
an answer or solution to a problematic situation.

Origin:
1675–85; < Neo-Latin < Greek diágnōsis a distinguishing. See dia-, -gnosis

prediagnosis, noun, plural prediagnoses.

diagnosis, prognosis.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
diagnose (ˈdaɪəɡˌnəʊz)
 
vb
1.  to determine or distinguish by diagnosis
2.  (tr) to examine (a person or thing), as for a disease
 
diag'nosable
 
adj

diagnosis (ˌdaɪəɡˈnəʊsɪs)
 
n , pl -ses
1.  a.  the identification of diseases by the examination of symptoms and signs and by other investigations
 b.  an opinion or conclusion so reached
2.  a.  thorough analysis of facts or problems in order to gain understanding and aid future planning
 b.  an opinion or conclusion reached through such analysis
3.  a detailed description of an organism, esp a plant, for the purpose of classification
 
[C17: New Latin, from Greek: a distinguishing, from diagignōskein to distinguish, from gignōskein to perceive, know]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

diagnosis
1680s, medical application of Gk. diagnosis "a discerning, distinguishing," from diagignoskein "discern, distinguish," from dia- "apart" + gignoskein "to learn" (see gnostic).

diagnose
1861, back formation from diagnosis. Related: Diagnosed.

diagnoses
pl. of diagnosis.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

diagnose di·ag·nose (dī'əg-nōs', -nōz')
v. di·ag·nosed, di·ag·nos·ing, di·ag·nos·es
To make a diagnosis.

diagnosis di·ag·no·sis (dī'əg-nō'sĭs)
n. pl. di·ag·no·ses (-sēz)

  1. The act or process of identifying or determining the nature and cause of a disease or injury through evaluation of patient history, examination, and review of laboratory data.

  2. The opinion derived from such an evaluation.

  3. A brief description of the distinguishing characteristics of an organism, as for taxonomic classification.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
diagnosis   (dī'əg-nō'sĭs)  Pronunciation Key 
Plural diagnoses (dī'əg-nō'sēz)
The identification by a medical provider of a condition, disease, or injury made by evaluating the symptoms and signs presented by a patient.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The diagnoses range from inner ear diseases and brain tumors to schizophrenia
  and psychopathy.
We now have treatments for nearly all of the tens of thousand of diagnoses and
  conditions that afflict human beings.
Lists the disagreements among physicians over bipolar diagnoses.
But this material, which precedes the medical and psychological diagnoses,
  takes up half the text.
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