up Barrier or barrier in Wiktionary, the free dictionary. A barrier or barricade is a physical structure which blocks or impedes something. Barrier may...
The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 kilometres...
A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic. It is designed to minimize...
The sound barrier or sonic barrier is the large increase in aerodynamic drag and other undesirable effects experienced by an aircraft or other object when...
Israeli barrier may refer to: Israel–Gaza barrier Israeli West Bank barrier Israel–Egypt barrier This disambiguation page lists articles associated with...
In constrained optimization, a field of mathematics, a barrier function is a continuous function whose value increases to infinity as its argument approaches...
The Steel And Foam Energy Reduction Barrier (SAFER Barrier), sometimes generically referred to as a soft wall, is a technology found on oval automobile...
Schottky barrier, named after Walter H. Schottky, is a potential energy barrier for electrons formed at a metal–semiconductor junction. Schottky barriers have...
A vapor barrier (or vapour barrier) is any material used for damp proofing, typically a plastic or foil sheet, that resists diffusion of moisture through...
Barrier islands are a coastal landform, a type of dune system and sand island, where an area of sand has been formed by wave and tidal action parallel...
A barrier pipe is a type of water pipe with a barrier to prevent undesired contaminants from entering the pipe. When running water supply pipes through...
A radiant barrier is a type of building material that reflects thermal radiation and reduces heat transfer. Because thermal energy is also transferred...
The Barrier is a lava dam retaining the Garibaldi Lake system in southwestern British Columbia, Canada. It is over 300 m (980 ft) thick and about 2.4 km...
The Thames Barrier is a retractable barrier system built to protect the floodplain of most of Greater London from exceptionally high tides and storm surges...
A barrier cream is a topical formulation used in industrial applications and as a cosmetic to place a physical barrier between the skin and contaminants...
Traffic barriers (known in North America as guardrails or guard rails, in Britain as crash barriers, and in auto racing as Armco barriers) keep vehicles...
Veurne Knokke Ypres Menen Tournai Mons Dendermonde Namur The Barrier Treaties (Dutch: Barrièretraktaat/Barrièreverdrag; French: traités de la Barrière)...
A barrier vehicle (BV), barrier wagon, match wagon or translator coach is used to convert between non-matching railway coupler types. This allows locomotives...
diffusion barrier is a thin layer (usually micrometres thick) of metal usually placed between two other metals. It is done to act as a barrier to protect...
Michael J. Barrier (born June 15, 1940) is an American animation historian. Barrier was the founder and editor of Funnyworld (October 1966 – Spring 1983)...
Barrier Highway is a highway in South Australia and New South Wales, and is designated part of route A32. The name of the highway is derived from the...
is a CSF-brain barrier at the level of the pia mater, but only in the embryo. Similar to the blood–brain barrier, the blood–CSF barrier functions to prevent...
The Sound Barrier is a 1952 British aviation drama film directed by David Lean. It is a fictional story about attempts by aircraft designers and test...
suicide barrier is a structure intended to deter people from attempting suicide by deliberately jumping from a high place on a structure. Suicide barriers often...
Barrier Lake is a man-made reservoir at the north end of Kananaskis Country in Alberta, Canada. Highway 40 runs between the lake and Mount Baldy, on the...
In theories of competition in economics, a barrier to entry, or an economic barrier to entry, is a fixed cost that must be incurred by a new entrant, regardless...
landform, such as reefs, barrier islands, barrier peninsulas, or isthmuses. Lagoons are commonly divided into coastal lagoons (or barrier lagoons) and atoll...
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