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definition

 [def″ĭ-nĭ´shun]
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.

def·i·ni·tion

(def'i-nish'ŭn),
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

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

def·i·ni·tion

(def'i-nish'ŭn)
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.

definition

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.

You may read more here:
http://www.nlm.nih.gov/medlineplus/autism.html

More discussions about definition
References in classic literature ?
I remember a coasting pilot of my early acquaintance (he used to read the papers assiduously) who, to define the utmost degree of lubberliness in a landsman, used to say, "He's one of them poor, miserable 'cast-anchor' devils.
I use two French words because they define better than any English terms the species of intelligence with which his features were imbued.
The intervening mountains generally two or three thousand feet above the level of the sea geographically define the territories of each of these hostile tribes, who never cross them, save on some expedition of war or plunder.
This dread was not exactly a dread of physical evil - and yet I should be at a loss how otherwise to define it.
What of it there remained I will not attempt to define, or even to describe; yet all was not lost.
She certainly understands you better than you are understood by the greater part of those who have known you so long; and with regard to some others, I can perceive, from occasional lively hints, the unguarded expressions of the moment, that she could define many as accurately, did not delicacy forbid it.
To this moment I am unable to define my feeling towards her: it was not ordinary boyish admiration, for she was the very opposite, even to the colour of her hair, of the ideal woman who still remained to me the type of loveliness; and she was without that enthusiasm for the great and good, which, even at the moment of her strongest dominion over me, I should have declared to be the highest element of character.
Yet that terror was not fright, But a tremulous delight -- A feeling not the jewelled mine Could teach or bribe me to define -- Nor Love -- although the Love were thine.
In common use they define a citizen to be one who is sprung from citizens on both sides, not on the father's or the mother's only.
Will you please define what gumption is, Aunt Jimsie?
Let Meno take the examples of figure and colour, and try to define them.
Nietzsche as an evolutionist I shall have occasion to define and discuss in the course of these notes (see Notes on Chapter LVI.