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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]

definition (image),

n the property of projected images relating to their sharpness, distinctness, or clarity of outline. Penumbra width is a measure of definition. See also resolution.


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 ?
These give the side-looking gear superior detail for increased target definition.
In the cases of Germany, Canada, and the United Kingdom, the emphasis has been on simple target definitions, accompanied by potentially complicated explanations of deviations from target, while in New Zealand the reverse course has been pursued (although the long-run goal remains underlying inflation).
These hybrid images are automatically fused and made available to the physician for enhanced target definition.
1-degree horizontal and 25-degree vertical beamwidth, which offers outstanding clarity, precision and target definition.
Elsewhere along the Sitlika Belt target definition exploration programs are continuing with encouraging results and the definition of several promising new drill targets.
The extensive curriculum will include the following components: value proposition, system design, compression/bandwidth, software applications, pixel on target definition, camera lens/lighting/depth of field definitions for the Avigilon HDSM platform.
Once acquired, all the available geologic and geophysical data will be merged into one digital platform for drill target definition.
The Company's geologists believe that the current state-of-the-art airborne system will provide new understanding of uranium occurrences within the Chubut Basin and will accelerant target definition.
Data compilation, leading to target definition on this property, is planned for the winter months.
Automatic well planning -- Advanced target definition -- Casing wear prediction -- Dual gradient modeling -- Temperature modeling -- Well control kill sheet -- Volume calculator -- Packer calculation -- DEX/WITSML interoperability