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Logic Maths a condition that imposes a constraint on the possible values of a variable or on the domain of arguments of a function
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 It might be outdated or ideologically biased.



a limitation on production, sales, and export imposed by monopolies—especially international cartels—to inflate prices and obtain monopoly profits. Restrictions can also be imposed on credit.

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

What does it mean when you dream about a restriction?

Any form of restriction in a dream often mirrors some frustration in the dreamer’s personal or business life. The dreamer may be imposing restrictions on himself or herself as well as on others.

The Dream Encyclopedia, Second Edition © 2009 Visible Ink Press®. All rights reserved.


(cell and molecular biology)
The degradation of foreign deoxyribonucleic acid by restriction endonucleases capable of recognizing particular patterns of specificity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


On land, an encumbrance limiting its use; usually imposed for community or mutual protection.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


A bug or design error that limits a program's capabilities, and which is sufficiently egregious that nobody can quite work up enough nerve to describe it as a feature. Often used (especially by marketroid types) to make it sound as though some crippling bogosity had been intended by the designers all along, or was forced upon them by arcane technical constraints of a nature no mere user could possibly comprehend (these claims are almost invariably false).

Old-time hacker Joseph M. Newcomer advises that whenever choosing a quantifiable but arbitrary restriction, you should make it either a power of 2 or a power of 2 minus 1. If you impose a limit of 17 items in a list, everyone will know it is a random number - on the other hand, a limit of 15 or 16 suggests some deep reason (involving 0- or 1-based indexing in binary) and you will get less flamage for it. Limits which are round numbers in base 10 are always especially suspect.
This article is provided by FOLDOC - Free Online Dictionary of Computing (
References in periodicals archive ?
Confirmed cases necessitated housing area restrictions and daily in-house screening.
Meanwhile, the Ministry of Agriculture Fisheries and Food has lifted foot-and-mouth infected area restrictions covering 1,300 farms in one of the worst-hit areas of Britain.
Despite this, MAFF officials lifted foot- and-mouth infected area restrictions covering 1,300 farms in the South West.
This new unit is designed for use where either machine width or work area restrictions pose backhoe limitations.
"HMS Management Division was aware of what was happening with the emergency area restrictions and had a number of staff-to-staff conversations within NMFS.
New fire safety regulations will be in force in April to augment current health and safety rules' domestic heating compliance is already a reality, as are rules concerning disabled access in public buildings and electrical installations in gardens' conservation area restrictions continue to police unsympathetic planning applications and Listed building status protects our architectural heritage.
Out of 137,523 holdings that have had infected area restrictions, 100,720 have had restrictions lifted, a reduction of 73pc.
Out of 137,523 holdings that have had infected area restrictions since the start of the outbreak, 100,720 have had restrictions lifted, a reduction of 73pc;
* Area restrictions apply B = Buildings Insurance C = Contents Insurance 31/08/2003