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1. an area considered as a unit for geographical, functional, social, or cultural reasons
2. an administrative division of a country
3. (in Scotland from 1975 until 1996) any of the nine territorial divisions into which the mainland of Scotland was divided for purposes of local government; replaced in 1996 by council areas
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(1) A territory identified by certain characteristics or peculiarities. In many cases, a taxonomic unit, as in physico-geographical region.

(2) In certain countries outside the USSR, an administrative and territorial unit, as in Paris region.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


(computer science)
A group of machine addresses which refer to a base address.
The union of an open connected set with a subset of its boundary points (which may be the entire boundary or the empty set).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The above benefits lead to revival of this conveniently available, supraclavicular artery flap in head, neck, and facial, oral and upper chest region defect coverage.
For the pressure difference causing fluids to move from legs to chest region to take place, the person cannot stay in sitting position simply, or be immersed in ice water up to knees.
Thoracic: The 12 vertebrae in your chest region. Thoracic vertebrae are larger and stronger than cervical vertebrae and are much less flexible.
It is present in all segments of the nervous system, but it is only in the thorax, or chest region, that it produces a certain type of nerve cell.
Named the Primary Neutralization Zone target Series, it is a progressive system that requires the shooter to focus harder while building skills in order to hit the 73/4x8-inch high chest region that extends up into the neck and head and is known as the PNZ.
This target has two steel paddles that are eight inches square, a striking area that is similar to the high chest region of the human body.
Does anyone really believe that the legs will offer viable cover for the chest region? Additionally, this shooting position requires a certain level of stomach fitness that many people do not have.
We particularly emphasize that in patients complaining of color changes in the face, neck, and upper chest regions, discontinuing hydroxychloroquine treatment and ensuring protective measures against sunlight are important both in terms of preventing the formation of ochronotic pigment granules and cosmesis.
X-ray evaluations of pelvis, lumbar and chest regions were unremarkable for visualized fracture, dislocation or gross pathology.