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109 results for: diagnosis

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Dictionary Entries (9 more entries. View all »)
Dictionary.com Unabridged (v 1.1)Cite This Source
di·ag·no·sis    Audio Help   [dahy-uhg-noh-sis] Pronunciation Key
–noun, plural -ses    Audio Help   [-seez] Pronunciation Key.
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; < NL < Gk diágnōsis a distinguishing. See dia-, -gnosis]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Thesaurus Entries
  Synonym Collection v1.1Cite This Source
Main Entry:  diagnosis
Part of Speech:  noun
Synonyms:  analysis, conclusion, examination, identification, opinion
Source:  Synonym Collection v1.1
Copyright © 2008 by Lexico Publishing Group, LLC.
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Encyclopedia Articles (97 more entries. View all »)
Columbia Electronic EncyclopediaCite This Source


diagnosis, determination of the nature of a disease or ailment. A clinical diagnosis is based on the medical history and physical examination of the patient: it may be confirmed with X-Rays, CAT Scans (Computerized Axial Tomography), MRI (Magnetic Resonance Imaging), and other laboratory tests. Diagnosis by physical examination includes ascertaining temperature, pulse, and blood pressure and involves the use of palpation, to detect enlarged organs and other abnormalities; tapping, to delineate some of the internal organs; and listening, to interpret sounds from organs such as the heart and lungs. Instruments that facilitate physical examination include the sphygmomanometer for blood pressure; the stethoscope for listening to the heart and lungs; the ophthalmoscope to examine the inner eye; and the laryngoscope and bronchoscope to view the larynx, windpipe, and other air passages. Recent innovations in electronics have made it possible for any of these devices to be fitted with video cameras and lights, so that the interior of the body can be viewed on video monitors and recorded on videotape for future reference. In diagnostic tests, the blood, urine, tissues, and other excretions and secretions of the body are examined for evidence of chemical imbalance, cellular change, and the presence of pathogenic organisms. Exploratory surgery and the insertion of visual equipment through a small incision (e.g., laparoscopy and arthroscopy) may be used to assist in diagnosis. 
The Columbia Electronic Encyclopedia Copyright © 2004, Columbia University Press.
Licensed from Columbia University Press




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