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   » Wiki: Barrier
Tag Wiki 'Barrier'.
A barrier or is a physical structure which blocks or impedes something.

Barrier may also refer to:



  • Automatic full barriers, which serve to block roads at railway crossings
  • , which serves to block vehicular access
  • , a plastic barrel filled with sand or water, used on highways as an impact attenuator
  • , a temporary installation to control or block traffic on a road
  • (crash barrier), used to keep vehicles within their roadway

Crowd and noise control
  • Crowd control barrier, temporary fencing used to keep crowds inside or away from a certain area
  • , walls and other structures used to attenuate noise pollution

Flood control by flood barriers
  • , a flood control structure on the River Thames in England
  • , a dirt-filled wire mesh/cloth container used for flood control and military fortification
  • Breakwater (structure), a barrier created as part of coastal defense or to protect an anchorage from the effects of both weather and longshore drift
  • , any material used to resist diffusion of moisture through walls, ceilings or floors

In science
  • Barrier (computer science), a type of synchronization in parallel computing
    • , an instruction to enforce an ordering constraint on memory operations in a computer program
  • Blood–brain barrier, a separation of circulating blood and the brain extracellular fluid
  • Potential barrier, a standard problem in physics of quantum mechanics
  • , the point at which an aircraft moves from transonic to supersonic speed
  • , in geology and geography
  • , a physical barrier between a laboratory technician and a work process
  • , in geology

  • Barrier, Kentucky, a community in the United States
  • Barrier, Voerendaal, a place in the municipality of Voerendaal, in southeastern Netherlands
  • , a lava dam in southwestern British Columbia, Canada
  • The Barrier, Great Ice Barrier, Victoria Barrier etc., later 19th–early 20th century names for the Ross Ice Shelf, Antarctica
  • , an open bay in Antarctica
  • Barrier reef, a type of running along a coast for a long distance, e.g.:
    • Belize Barrier Reef, a series of coral reefs straddling the coast of Belize
    • Great Barrier Reef, in the Coral Sea off the coast of Queensland in north-east Australia
  • , an active shield volcano in Kenya
  • , Arabic for "the Great Barrier" in Egypt
  • Great Barrier Island, in the north of New Zealand
  • Barriere, British Columbia (French: "Barrière"), a small community in Thompson-Nicola Regional District, British Columbia, Canada
  • Barrière River (disambiguation)

In arts and entertainment
  • Barrier (video game), a 1979 arcade game by Vectorbeam
  • "Barrier", a 1985 song by Simon Townshend on the album Moving Target
  • , a UK television series
  • The Barrier (1926 film), a 1926 silent film
  • The Barrier (1937 film), a 1937 American film
  • The Barrier (1979 film), a 1979 Bulgarian film
  • The Barrier (1990 film), a 1990 Bahraini film
  • , a 1966 Polish film, released in the U.S. as Barrier
  • , a fictional character in the anime Ultimate Muscle

Other uses
  • , a state highway in New South Wales, Australia
  • Barrier and Afterword, an ongoing Mexico/American comic book series published by and .
  • (died 1989), American sports journalist
  • , difficulty in communications caused by language difference
  • , a restriction of trade by a government
  • Barriers to entry, a cost that must be incurred by a new entrant into a market

See also
  • Barrière (disambiguation)
  • Concrete barrier (disambiguation)
  • Great Barrier (disambiguation)
  • List of walls

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