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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.


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]


Imaging The clearly delineated limit of a thing visible by the eye. Cf Resolution.


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]


establishment of a clear boundary, a clear line of demarcation.

clinical definition
an accurate description of the disease in terms of clinical signs and clinicopathological findings.
epidemiological definition
an accurate description of the disease in terms of its epidemiological parameters of when, where, why and how it has occurred.
genetic definition
an accurate description of a disease in terms of the familial relationships between affected animals.
radiographic definition
a sharp line of demarcation between radiographic densities. A gradual merging of densities creates blurring of the image.

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 ?
Blume, Sheri Lynn Johnson & Christopher Seeds, Of Atkins and Men: Deviations from Clinical Definitions of Mental Retardation in Death Penalty Cases, 18 CORNELL J.
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.
Ultimately, there will be a parallel shift, but it will not be the introduction of genetics into medicine, it will be a move from clinical definitions of disease to a molecular definition and diagnosis of disease.
Acute bronchitis in children: building a clinical definition.
The Diagnostic and Statistical Manual criteria requiring a duration of 4 or more days for the diagnosis of a hypomanic episode are unnecessary for the clinical definition of bipolar II disorder.
difficile in the United States and abroad, support a real increase in CDIs in a population for which the clinical definition is likely less specific than for adults.
In the final document, the clinical definition of infertility is "a disease of the reproductive system defined by the failure to achieve a clinical pregnancy after 12 months or more of unprotected sexual intercourse.
Looking at the clinical definition or meaning of the word 'detox', aside from the clinical treatment for drug addiction or poisoning, the word 'detox' has no meaning
The new benefit addresses the fact that more than 20 million Americans meet the clinical definition of substance abuse or addiction, with an estimated 95 percent unaware of their problem or not seeking help from health care professionals.
The hot flushes were self-reported, which may have resulted in episodes that met the clinical definition but went unreported, the researchers said.
In fact, the clinical definition of a psychopath, also called a sociopath, denotes someone who has no thoughts or feelings for his victims.
In comparison, just half of 26 patients who did not meet the clinical definition of apathy were failing to control their glucose levels.

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