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a statement of the meaning of a word or phrase.
conceptual definition an identification of the personal knowledge or connotative meaning of a word. These meanings are often difficult to express; the meaning is “known” but not easily put into words.
operational definition a definition, method, or procedure used to measure or represent a concept or variable in a specific situation.
target definition the definition of a specific target that is identified on the intervention scheme of the omaha system.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


In optics, the power of a lens to give a distinct image.
See also: resolving power.
[L. de-finio, pp. -finitus, to bound, fr. finis, limit]
Farlex Partner Medical Dictionary © Farlex 2012


Imaging The clearly delineated limit of a thing visible by the eye. Cf Resolution.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


In optics, the power of a lens to give a distinct image.
See also: resolving power
[L. de-finio, pp. -finitus, to bound, fr. finis, limit]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Patient discussion about definition

Q. What is the Definition of Anemia? My doctor told me I have anemia, based on my latest blood tests. What is anemia?

A. In laymans terms it is low iron. Most women get it sometime in their lives due to menstration and other factors. You need to increase your iron intake. Lots of beets, beans, spinich, and lots of other foods can help.

Q. what is the definition of Autism? how would i know if one is autistic and the other one is not , or has only minor disorder ?

A. Autism is a brain development disorder that is characterized by impaired social interaction and communication, and restricted and repetitive behavior, all starting before a child is three years old. This set of signs distinguishes autism from milder autism spectrum disorders (ASD) such as pervasive developmental disorder not otherwise specified. Diagnosis should be made if suspected, by a specialits in child psychiatry or child developement.

Q. What is the definition of Autism?

A. Autism is defined by symptoms from each of the following three categories: qualitative impairment in social interaction, impairment in communication, and restricted repetitive and stereotyped patterns of behavior or interests.

By definition, the onset of autistic disorder is before the age of 3 years, although in some cases, it is not recognized until a child is much older.

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References in periodicals archive ?
In summary, current clinical definitions of influenza A outbreaks with [greater than or equal to] 2 positive influenza samples appear reasonably specific for identifying presumed within-facility transmission.
Blume, Sheri Lynn Johnson & Christopher Seeds, Of Atkins and Men: Deviations from Clinical Definitions of Mental Retardation in Death Penalty Cases, 18 CORNELL J.L.
(7) This Comment uses the term "mental retardation" to refer to the clinical definition, including the age-of-onset component, and the term "mental impairment" to refer to the intellectual and adaptive deficits present in mental retardation, but without requiring juvenile onset.
There's no clinical definition, but practitioners say it's a broader concept than health.
Interestingly, the study also found that most people agreed cyber infidelity was just as painful as real infidelity."There is no clinical definition for infidelity but what it comes down to is crossing boundaries.
Indeed, the ancient world had a different concept of what we call "homosexuality"; our clinical definition is foreign to the world of the Bible.
To complicate matters, his disease was quickly progressing to the clinical definition of AIDS (very low T-cell count).
We still use this functional and clinical definition today, though other definitions have been proposed.
The problem with these studies appears to be that the results have depended upon the population selected: Studies that have included only children with nasal washings positive for RSV or "pure" bronchiolitis tend to show less benefit, whereas bronchodilators have tended to work better in studies that use a clinical definition for bronchiolitis that includes repeated wheezing, which overlaps with asthma.
Whether his obituary relates specifically to the National Cholesterol Education Program's Adult Treatment Panel III (ATP III) (2) definition of metabolic syndrome or to all attempts at making a clinical definition of the metabolic syndrome is unclear.
Other studies planned to improve health services response included: the development of algorithms for the management of STDs and AIDS patients; the preparation of a referral protocol for people with HIV/AIDS and their families; the evaluation of the clinical definition of AIDS; a study on the relationship of HIV and tuberculosis (TB) to improve the treatment of TB and a study on the socioeconomic impact of AIDS at the individual, family, community, and macroeconomic levels.
Nearly 2 out of 3 adults now meet or exceed the clinical definition of overweight, and 3 out of 10 children are overweight or at risk for overweight.

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