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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 ?
official coercion because defendants have definitionally consented
Aristotle claims that matter is indefinable, yet such a claim is incompatible with claim A; for how can matter be definitionally posterior to natural form, if matter is absolutely indefinable.
(2.) "Binge drinking" is a term that is widely criticized for being emotive and definitionally unclear (see McMahon, McAlaney, & Edgar, 2007; Measham, 2004b; Measham & Brain, 2005; Szmigin et al., 2008).
of Brussels, Belgium) argues that democracies have over time developed a particular strategy towards the role of law in warfare rooted in Western Civilization, which he describes as definitionally rooted in the legacies of the Bible, Greco-Roman Antiquity, and the great works of European-American history.
It has been largely forgotten that sacrifice definitionally signifies a form of violence, an offering made without consent, the ethical ambiguities of which are often suppressed.
The ICF has been criticized for not adequately differentiating participation from activity (at the person level) either definitionally or in its single taxonomy of activity and participation category codes [26-27].
This counterfactual analysis is promising; however, as argued above (regarding actual versus counterfactual worlds), counterfactuals are, technically, definitionally incompatible with facts in the unqualified or nonrelativized sense.
Dean suggests that Edelman's injunction to identify with the death drive demonstrates a fundamental misunderstanding of Lacanian and Freudian thought as a drive which is definitionally that with which the person cannot identify.
It often seems 75 percent of Americans, not a mere 20 percent, are definitionally victims of one thing or another--bias, bullying, fast-food advertising, slighting remarks by strangers.
Yet it seems clear that environmental ethics as the theory of environmental right conduct or the environmental good life (where the notion of life itself is, definitionally, at stake) rests fundamentally upon the notion of 'environment' and how we understand it.
In this sense, worldview in Greater Asia does not draw a clear boundary between the natural world and the world of the supernatural, but that these worlds interpenetrate one another and these boundaries are definitionally, symbolically and behaviorally fluid more than solid, and are regularly mediated through customary ritual and sanctioned practice on a daily basis.