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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 ?
The dollar effect of the definitional changes on the level of GDI is the same as the effect on GDP (chart 2).
As pointed out above, the relation between ordinary and definitional sentences, while logically clear, raises some significant ontological questions that I did not find answered.
Socrates does not declare an allegiance to any of the definitional principles to be discussed in the book, so the treatment of them cannot be an account of methodological views that Socrates consciously holds.
23-30, 69-76) idea of "social imaginaries." (3) These definitional activities serve to confer not only cognitive meanings upon things and practices, but, being socially grounded and reflecting an implicit social consensus, also the situational legitimacy necessary for tree market exchange.
For franchisors who did not need to comply with the Franchise Rule because they avoided the rule's "required payment" definitional element by collecting a payment of less than $500, the proposed Bus Opp Rule now will cover these transactions, and these franchisors must, therefore, comply with the Bus Opp Rule.
White (1997) adapted the anthropological work of Barbara Myerhoff (1982, 1986), using definitional ceremonies as a forum for reflection in individual therapy.
A definitional gap occurs when one encounters an unfamiliar word.
In this comprehensive reference book, the author describes conceptual, definitional, and psychometric issues important in evaluating and comparing various assessment instruments and then focuses on available instruments that can be used for screening purposes or as adjuncts in detecting, describing, or estimating the risk of suicidal behavior.
The NAICS conversion involves major definitional changes to many of the currently published SIC-based indexes.
The question of whether interested same-sex couples should be legally recognized in "marriage," and the range of definitional claims advanced on, between, around, and against, supporting and opposing sides, is a recent example of a complex definitional dispute.
Apparent discrepancies between statistics from the two programs can usually be accounted for by their definitional and procedural differences or resolved by comparing NCVS sampling variations (confidence intervals) of those crimes said to have been reported to police with UCR statistics.